Egyptian pyramids

Etymology and nomenclature

The English term pyramid derives from the Greek word pyramis (πυραμίς), which originally referred to a pointed, conical or roughly pyramidal cake made of spelt and honey that Greek mercenary soldiers presented as funerary offerings to deceased comrades.^[9] It is also plausible that the Greek term arose through phonetic similarity to the ancient Egyptian mathematical phrase per-em-us, meaning literally 'that which goes upward', used in the Rhind Mathematical Papyrus to denote the geometric height of a pyramid or solid.^[9] The ancient Egyptian word for a royal pyramid was mr, vocalised as Mer, in which the consonant M signifies 'place' and R denotes the action of ascending, giving the comprehensive meaning of 'the place of ascension'.^[10] This designation was strictly reserved for the tomb of a reigning monarch, whereas private or non-royal tombs received distinct architectural terms.^[10]

. The sign represents a triangular masonry structure with the apex oriented upward. The 19th-century scholar Gaston Maspero mistakenly concluded that this sign denoted all royal tombs, leading him in his early translation of the Abbott Papyrus to apply the term pyramid to subterranean hypogeum tombs of the New Kingdom Valley of the Kings.^[10] Graphically, sign O24 was identical to that used for the benben, the primeval stone mound that emerged from the primordial abyss (Nun) in the Heliopolitan creation myth, and from which the feminine term benbenet (pyramidion) was derived for the capstones of both pyramids and obelisks.^[11]

. Khufu's pyramid was formally named 'Khufu Belongs to the Horizon', Khafre's was 'Khafre is Great', Sneferu's Bent Pyramid was designated 'The Southern Shining Pyramid', and Senusret II's tomb at El Lahun was named 'Senusret Shines'.^[12]

Religious and symbolic significance

The geometric form of the Egyptian pyramid embodied deep mythological and cosmological symbolism. The primary conception represented the primordial mound that emerged from Nun at the beginning of the universe, providing the first solid ground upon which life and the solar creator deity appeared.^[13] Most royal pyramids were faced with dressed, polished white limestone from Tura that reflected sunlight across great distances, establishing the monument as a radiant solar beacon.^[14][15]

The emergence of the monumental stone pyramid was closely intertwined with ideological consolidation following the unification of Upper and Lower Egypt under the First and Second Dynasties.^[16] Unification required a centralised administrative bureaucracy and a unified national pantheon.^[16][17] The priesthood of Ra at Heliopolis gained theological prominence, formulating the doctrine of the Great Ennead in which the falcon god Horus was established as the final divine ruler and the direct predecessor of the earthly pharaoh.^[18][19] The living ruler held the title nesu-bity ('He of the Sedge and the Bee') and enclosed his primary royal identity in the falcon-surmounted serekh, proclaiming himself the earthly successor of Horus and bodily son of Ra.^[19][20][21]

Funerary theology experienced an evolutionary conflict between the subterranean destiny associated with Osiris at Abydos in Upper Egypt and the celestial afterlife promoted by the solar clergy of Heliopolis.^[7][22] While subterranean mastaba shafts were suited to Osirian burial, the emerging royal theology dictated that the king alone bypassed the underworld to ascend directly into the celestial realm of his divine father Ra.^[7][22] This solar doctrine received formal expression in the Pyramid Texts, which first appeared on the interior tomb walls of Unas at the end of the Fifth Dynasty.^[12][23][24] Passages in these texts contain invocations intended to bar underworld deities of the Osirian cycle from intruding into the pyramid, which was conceptualised as an exclusive solar domain.^[25]

The Pyramid Texts also describe the monument as a staircase to the sky, facilitating the deceased monarch's transit to join the circumpolar stars, known to the ancient Egyptians as the 'Imperishable Stars' (ikhemu-sek).^[26][27] These celestial bodies never set beneath the horizon and were regarded as the physical entrance to the heavenly realm.^[26][28] Two narrow shafts run from the King's Chamber of the Great Pyramid of Giza through the masonry to the outside, while other shafts leave the Queen's Chamber but end inside the masonry; some researchers regard the King's Chamber shafts only as ventilation for the workers.^[29][30] One of the shafts points toward the part of the sky around which the stars appear to revolve, which suggests that the pyramid may have been designed to launch the pharaoh's soul magically into the company of the gods.^[28][31]

Every royal pyramid in Egypt was sited on the western bank of the Nile River, with the solitary exception of a small provincial Third Dynasty step pyramid located at Zawyet el-Maiyitin.^[32] In Egyptian mythology, the west was associated with the setting sun (Amenti), the boundary between the living and the realm of the dead where souls entered the underworld or transitioned into eternity.^[32]

Evolution of pyramidal architecture

The physical evolution of the pyramid grew out of prehistoric funerary practices that spanned thousands of years before the Old Kingdom. Across the eastern Sahara and northern Niger, megalithic tumuli and dry-stone ceremonial platforms arose as early as 4700 BC, providing regional prototypes for artificial mounds constructed over subterranean burial chambers.^[33] In Predynastic Egypt, simple pits dug into sand were replaced during the Badarian and Naqada periods by rectangular underground trenches lined with clay or sun-dried mudbrick, covered by wooden beams, reed mats, and gravel mounds.^[34][35] These artificial earthen mounds protected the body from wild scavengers while standing as a visible marker of the tomb.^[34][36]

Early Dynastic mastabas

During the Early Dynastic Period (c. 3150–2686 BC), elite and royal burials developed into standardized rectangular bench-like superstructures known as mastabas.^[37][38][39] Royal tombs of the First and Second Dynasties were concentrated at Abydos (Umm el-Qa'ab) in Upper Egypt and Saqqara in Lower Egypt.^[40][41] At Abydos, subterranean burial chambers and storage rooms were topped by low sand and gravel mounds retained by brick walls, complemented by massive ceremonial mudbrick enclosures ('fortresses') located nearby at Kom es-Sultan.^[6][41][42] At Saqqara, overlooking the administrative capital of Ineb-Hedj (Memphis), nobles and officials built larger mudbrick mastabas featuring elaborate recessed-panel facades that imitated royal palace walls, coated with white plaster and painted with geometric patterns.^[38][39][43]

Excavations conducted between 1936 and 1956 by Walter Bryan Emery at Saqqara revealed mudbrick mastabas containing seals and inscriptions bearing the names of First and Second Dynasty pharaohs whose tombs were already known at Abydos.^[40] This sparked an enduring archaeological debate regarding which structures were authentic tombs and which functioned as cenotaphs, built to establish the royal presence in both kingdoms.^[39][44][45] At North Saqqara, Mastaba 3808, dated to the reign of First Dynasty pharaoh Anedjib, was discovered to contain an independent stepped superstructure encased entirely within the outer rectangular palace-facade wall.^[46][47] This stepped mound inside Mastaba 3808 is widely evaluated by architectural historians as an immediate developmental ancestor of the monumental step pyramid.^[47][48]

Third Dynasty step pyramids

The decisive technological shift to monumental dressed stone architecture occurred under Pharaoh Djoser (Netjerikhet) of the Third Dynasty, directed by his royal architect and vizier Imhotep.^{[4][5][49][50]} Built at Saqqara, Djoser's Step Pyramid began as an unusual square mastaba of dressed limestone, measuring 63 metres on each side and 8 metres in height.^[51] Over the course of six distinct construction phases, the structure was expanded outward and upward, transforming into a four-stepped pyramid and ultimately into a six-tiered monument measuring 121 by 109 metres at the base with an original height of approximately 62 metres.^[51][52] The masonry technique utilized small limestone blocks laid in inclined accretion layers that leaned inward at 16 degrees toward the core, transferring the building load toward the centre.^[52]

Djoser's successor Sekhemkhet attempted an even larger stepped pyramid at Saqqara, known as the Buried Pyramid.^[52][53][54] Discovered in 1951 by Zakaria Goneim, its foundation base measured 120 metres square, and it was projected to rise in seven steps to a height of 70 metres, surpassing Djoser's monument.^[52][55] The complex was never completed..^[54][55] Beneath the surface, an extensive underground network extended across 152 metres with a transverse gallery giving access to 132 subterranean magazine chambers intended for funerary provisions.^[54][55] An intact, sealed alabaster sarcophagus was uncovered inside the 32-metre-deep central burial chamber, but upon opening it proved entirely empty.^[54][55]

At Zawyet el-Aryan, halfway between Giza and Abusir, the Layer Pyramid is attributed to the Third Dynasty pharaoh Khaba.^[52][56] Its core consisted of accretion layers of rough limestone blocks inclined inward around a central nucleus, planned as a five-stepped pyramid on an 84-metre square base with an intended height of 42 to 45 metres.^[52][57] Exploration by Alessandro Barsanti in 1900 uncovered an 80-metre subterranean corridor descending 29 metres below ground level to a burial chamber with 32 lateral storage rooms, though no trace of a sarcophagus or burial remained.^[57][58] In addition to these major royal sites, seven or eight small provincial step pyramids were erected at Elephantine, Edfu, El-Kula, Naqada, Sinki (Abydos), Zawyet el-Maiyitin, and Seila in the Faiyum.^[52][59] These structures lacked internal burial chambers and are interpreted by archaeologists as symbolic monuments of royal authority, local markers of the primordial mound, or cenotaphs.^[52][59][60]

Fourth Dynasty and the transition to smooth-sided pyramids

The Fourth Dynasty witnessed the transition from stepped structures to true smooth-sided pyramids, led by Sneferu, who commissioned three major monuments and at least one provincial pyramid, utilizing an unprecedented volume of stone.^[61][62] At Meidum, a massive stepped pyramid initially comprising seven (and later eight) accretion layers on a 122-metre base was commenced, possibly under Huni and concluded by Sneferu.^[52][63][64] Sneferu later transformed Meidum into the first true pyramid by packing the steps with horizontal masonry courses and encasing the exterior in fine Tura limestone, creating a base of 144 metres and an angle of 51°50'35" reaching 92 metres in height.^[64][65][66] However, the outer casing suffered structural failure in antiquity, leaving only the central tower-like core surrounded by an artificial mountain of debris.^[64]

Relocating his necropolis to Dahshur, Sneferu began the Bent Pyramid, designed from the outset as a smooth-sided structure on a square base of 188.6 metres.^[62][67] The lower section was constructed at a steep angle of 54°3'13" (or 54°50'35") up to a height of 49 metres.^[67][68] Structural subsidence occurred during construction, causing fissures throughout the internal chambers and corridors that required emergency repairs with plaster mortar.^[68][69] The builders reduced the angle of inclination to 43°21' (or 43°22') for the upper 56 metres, a change whose cause is debated: Jean Yoyotte attributed it to the risk that the steeper slope would overload the structure and cause it to collapse, an explanation supported by cracks found inside, while John Gardner Wilkinson linked it to haste before the king's expected death and Alexandre Varille to a planned expression of the duality of Upper and Lower Egypt.^[68] The result was a characteristic double slope and an ultimate height of 101.15 metres.^[67][69] It remains the only major Old Kingdom pyramid preserving the majority of its polished outer casing intact.^[70]

Several kilometres north at Dahshur, Sneferu achieved the world's first successful, structurally sound smooth-sided pyramid, known as the Red Pyramid or Northern Pyramid.^[71][72] Erected on a base of 218.5 by 221.5 metres with a low slope of 43°22', matching the modified upper angle of the Bent Pyramid, it reached a height of 104.4 metres, making it the third-tallest pyramid in Egypt.^[73][74] Masons' marks discovered on casing blocks demonstrate that work on the Red Pyramid was carried out concurrently with the final casing operations at Meidum.^[75] Sneferu's projects refined geometric stone laying by shifting from leaning accretion slices to horizontal beds of uniformly squared blocks, establishing the architectural techniques deployed on the Giza Plateau.^[76]

Fifth and Sixth Dynasties: smaller scale and Pyramid Texts

Following the monumental building efforts of the Fourth Dynasty, Fifth Dynasty monarchs returned their royal cemeteries to Saqqara and Abusir.^[77][78] The scale and stone volume of royal pyramids decreased substantially while particular emphasis was placed on temples for the cult of Ra; the reduction appears to reflect mainly political considerations, such as the diversion of resources to other uses including trading expeditions, and possibly a smaller flow of goods to the royal treasury as administration became decentralised.^[79][80][81] Userkaf, the first pharaoh of the Fifth Dynasty, constructed his pyramid immediately northeast of Djoser's complex at Saqqara.^[77] Built on a base of 73.3 metres and a height of 49 metres, its core was fashioned from rough, irregularly squared limestone blocks packed with rubble, causing its structure to collapse into a heap of debris once its outer casing blocks were stripped in later periods.^[77][82]

At Abusir, Fifth Dynasty pharaohs Sahure, Neferirkare Kakai, Neferefre, and Nyuserre Ini constructed their mortuary complexes.^[12][78][83] Neferirkare's pyramid was the tallest pyramid of the Fifth Dynasty..^[84] The Abusir pyramids employed standardized cores consisting of stepped layers of rough local limestone filled with loose gravel and mud mortar, encased in fine Tura limestone.^[85] Excavations at Abusir yielded administrative archives written on papyrus (the Abusir Papyri), documenting the day-to-day operations, personnel schedules, and inventory management of the royal mortuary cults.^[84]

Under Unas, the final ruler of the Fifth Dynasty, a fundamental theological change was introduced inside his pyramid at Saqqara (measuring 57.7 metres square and 43 metres high).^[86] For the first time, religious incantations, protection spells, and rituals for the royal afterlife were carved into the limestone walls of the antechamber and burial chamber, creating the Pyramid Texts.^[23][86] Carved in vertical columns and filled with green or blue pigment prepared from powdered malachite, representing renewal and cosmic rebirth, these texts codified the king's magical protection, resurrection, and ascension to join Ra and the circumpolar stars.^[26]

Sixth Dynasty pyramids were all built to approximately the same dimensions..^[87] The pyramids of Teti, Pepi I, Merenre I, and Pepi II at Saqqara all had square bases of approximately 78.8 metres (150 royal cubits) and reached an original height of roughly 52.5 metres (100 royal cubits).^[87] Their underground layout consisted in principle of four rooms joined by a corridor: a transitional chamber, an antechamber, a serdab and a burial chamber..^[88] Pepi II's pyramid complex also includes three secondary pyramids for three of his consorts, the queens Iput II, Neith and Udjebten..^[89]

Middle Kingdom and Second Intermediate Period

Following the fragmentation of the First Intermediate Period, during which modest pyramids were erected by rulers such as Qakare Ibi at Saqqara and Khui at Dara, Middle Kingdom pharaohs of the Twelfth Dynasty revived the royal pyramid tradition.^[90] Amenemhat I and Senusret I established their royal necropolis at Lisht, near their newly founded capital of Itjtawy.^[91] Amenemhat I's pyramid incorporated stone blocks scavenged from Old Kingdom structures at Giza and Saqqara, while Senusret I introduced a distinctive internal skeleton consisting of cross-shaped and diagonal stone retaining walls that radiated outward from the centre, compartmentalising spaces that were packed with mudbrick and rubble before being encased in limestone.^[76]

Later Twelfth Dynasty builders largely abandoned stone cores in favour of sun-dried mudbrick superstructures held together by interior stone walls.^[76] The mudbrick core allowed rapid construction, but once the high-quality limestone casing was removed by quarrymen, the brick cores deteriorated into rounded earthen mounds.^[92] To counter tomb robbers who repeatedly breached Old Kingdom layouts, Middle Kingdom architects designed complex subterranean labyrinths characterized by dead-end passages, blind vertical trapdoors, hidden sliding portcullises, and burial vaults carved from single blocks of yellow quartzite.^[93]

. The final royal pyramid erected in Egypt was constructed at Abydos for Ahmose I, founder of the Eighteenth Dynasty.^[94] It was built together with an adjoining temple, and smaller cult pyramids of members of the royal family probably stood nearby.^[94] In the New Kingdom the royal tomb no longer took the form of a pyramid complex..^[95]

Nubian pyramid revival in the Kingdom of Kush

Centuries after royal pyramid construction ceased in Egypt, the tradition was revived in Nubia within the territory of present-day Sudan.^[96] During the Eighth Century BC, the rulers of the Kingdom of Kush, based at Napata, conquered Egypt and established the Twenty-fifth Dynasty.^[96] Pharaoh Piye constructed the first royal pyramid tomb in centuries at the royal necropolis of El-Kurru around 721 BC.^[97] His successor Taharqa erected the largest Nubian pyramid at Nuri, standing between 40 and 50 metres in height and built in two distinct construction phases.^[98]

Although Napatan rule over Egypt terminated in 661 BC, the architectural and religious traditions persisted.^[99] During the subsequent Meroitic period (c. 300 BC – 300 AD), when the Kushite royal court relocated south to Meroë, a comprehensive pyramid-building boom emerged.^[96] About 180 indigenous royal pyramid tombs inspired by Egyptian models were constructed near the kingdom's capital cities..^[96][99] The Nubian pyramids at Nuri were generally smaller than the Egyptian pyramids but much larger than those at El-Kurru, reaching heights of 20 to 30 metres..^[100]

The pyramid complex

In ancient Egyptian architecture, a royal pyramid was never an isolated structure, but the core element of an extensive, integrated religious precinct known as the pyramid complex.^[101] The mature layout of the pyramid complex crystallised during the Fourth and Fifth Dynasties, transitioning from the north-south axis seen in Djoser's Third Dynasty precinct to a standardised east-west axial orientation.^[12][102] A fully developed pyramid complex contained five essential architectural elements: the valley temple, the causeway, the mortuary temple, the main pyramid, and an adjacent cult satellite pyramid, all enclosed within a perimeter wall.^[102][103]

The valley temple was located on the floodplain at the water's edge, connected to the Nile via artificial canals and serving as an active port and entrance gate for ceremonial processions and building materials.^[104] Ritual purification and mummification ceremonies were historically performed at or near this structure.^[103][105] From the valley temple, an elevated, covered causeway built of limestone blocks ascended to the desert plateau.^[103][104] The interior walls of the causeway were adorned with low-relief carvings, while narrow slits in the roof provided dim illumination, probably intended to evoke the transition from the earthly world to the realm of the afterlife (Duat).^[104]

The causeway culminated in the mortuary temple situated immediately against the eastern face of the pyramid.^[103] The mortuary temple served as the permanent center for the pharaoh's funerary cult, divided into a public eastern section and an exclusive, restricted western sanctuary accessible only to officiating priests.^[106][107] Standardized components included an entrance vestibule, an open pillared or columned courtyard with an altar, five niches designed to house statues of the king, various storage magazines, and an inner offering hall featuring a granite false door directly abutting the pyramid casing through which the king's spirit was believed to emerge to receive daily sustenance.^{[103][106][107][108]}

Surrounding the mortuary temple and pyramid was an open paved courtyard enclosed by a high limestone perimeter wall.^[103] Within this enclosure, at the southeastern corner of the primary pyramid, stood a small cult satellite pyramid.^[102][103] Archaeologists interpret this subsidiary structure as a symbolic resting place for the king's ka, evolving from the southern tomb found in Third Dynasty step pyramid precincts.^[102] In addition, many complexes incorporated subsidiary pyramids and mastabas constructed for queens, royal children, and high-ranking court officials, establishing a literal necropolis where courtiers accompanied their sovereign into eternity.^{[103][109][110]}

Adjacent to the valley temple or outside the perimeter wall lay the pyramid town, a planned residential settlement accommodating the priests, scribes, administrative officials, guards, and skilled craftsmen responsible for maintaining the permanent mortuary cult and its agricultural estates.^{[103][111][112]} The earliest documented pyramid town dates to the reign of Sneferu, while the most comprehensively excavated settlement is the Twelfth Dynasty town of Kahun (Hotep-Senusret), established by Senusret II at El Lahun.^[111] Covering an area of roughly 140,000 square metres with an estimated population of 6,000 residents, Kahun featured a planned grid of streets, residential quarters segregated by socio-economic rank, administrative offices, and granaries.^[111]

Major pyramid fields

In 1842, Prussian archaeologist Karl Richard Lepsius compiled the first modern systematic inventory of Egyptian pyramids, cataloguing 67 distinct structures.^[1][113] Subsequent surveys and archaeological excavations expanded this inventory, identifying between 118 and 138 confirmed pyramid sites across Egypt.^[2][113]

Giza Plateau

The Giza Plateau, located on the western outskirts of modern Cairo, hosts the most celebrated pyramid complex in Egypt, comprising the Great Pyramid of Khufu, the Pyramid of Khafre, the Pyramid of Menkaure, subsidiary queens' pyramids, and the Great Sphinx.^{[109][114][115]} The Great Pyramid of Khufu, built during the 26th Century BC, originally reached 146.7 metres (280 royal cubits) in height, though erosion and the complete loss of its casing stones reduced it to 138.8 metres.^[14][116] Constructed upon a levelled natural rock knoll that protruded 9 metres into its core, its square base measures 230.3 metres per side, covering 5.24 hectares with a consistent inclination angle of 51°52' and an orientation aligning to the cardinal points within 3 arcminutes.^[14][117] It consists of approximately 2.3 to 2.5 million limestone blocks averaging 2.5 tonnes each, with the core constructed of rough local limestone and originally encased in an estimated 115,000 polished white Tura limestone blocks.^[14][118]

The internal layout of Khufu's pyramid is unique in Old Kingdom architecture because its main chambers are situated high within the superstructure masonry rather than underground.^[119][120] From the north-face entrance, located 17 metres above ground, a descending passage slopes down 28 metres before bifurcating into an ascending corridor angled at 26°2'30".^[121] This leads to the horizontal passage accessing the so-called Queen's Chamber, and to the Grand Gallery, a corbelled vault 46.66 metres long and 8.54 metres high.^[121] Beyond the Grand Gallery lies the King's Chamber, a granite-lined room measuring 10.47 by 5.23 metres and 5.08 metres in height, roofed by nine granite beams weighing between 25 and 40 tonnes each.^{[121][122][123]} To protect the chamber from the compressive weight above, five stress-relieving chambers were stacked overhead, capped by a gabled roof; in the uppermost space (Campbell's Chamber), red ochre quarry inscriptions were discovered bearing the name of Pharaoh Khnum-Khufu.^[124][125]

Khafre's pyramid, standing immediately southwest, has a base of 215.16 metres and originally stood 143.5 metres high with a steeper inclination of 52°20'.^[126][127] Built on foundations 10 metres higher and at a steeper angle, it gives the impression of being taller than Khufu's pyramid, though it is not as large..^[128] It retains a substantial cap of polished limestone casing at its apex, which exhibits a slight twist caused by minor alignment discrepancies at the corner stones.^[129] The burial chamber is carved directly into the bedrock floor, roofed by 17 pairs of gabled granite beams, and contained an empty sunken granite sarcophagus.^[130][131] Adjacent to Khafre's valley temple sits the Great Sphinx, a 73-metre-long and 20-metre-high couchant lion with a human head, carved from an unquarried outcrop of limestone.^[132]

Menkaure's pyramid is the southernmost and smallest of the primary Giza trio, measuring 103.4 metres (or 105.5 metres) at its base and rising to an original height of 65.5 metres at an angle of 51°20'25".^[133] Uniquely, the lower sixteen courses of its outer casing were made from polished pink granite transported from Aswan, earning it the medieval Arabic epithet Al-Maulana ('The Painted').^{[120][134][135]} Excavations in 1837 by Howard Vyse recovered a decorated basalt sarcophagus, which was subsequently lost at sea off Spain during transport to England aboard the merchant ship Beatrice.^[136][137] Portions of the associated mortuary and valley temples were hastily finished in sun-dried mudbrick by Menkaure's successor, Shepseskaf.^[134][138]

Abu Rawash

Abu Rawash, situated 8 kilometres northwest of Giza, contains Egypt's northernmost pyramid field, dominated by the heavily damaged Pyramid of Djedefre, the son and successor of Khufu.^[3][139] Excavations at Abu Rawash directed by Michel Baud of the Louvre Museum showed that the pyramid of Djedefre was never completed.^[140] It is estimated that if finished it would have been about the same size as the Pyramid of Menkaure. When work stopped at the king's death, Djedefre's tomb was probably no more than 10 to 12 metres high.^[141] Its base side is now thought to have been between 104.6 and 106.2 metres.^[142] Its location next to a major crossroads made it an easy source of stone, and quarrying, which began in Roman times, has left little apart from about fifteen courses of stone on the natural hillock that formed part of the pyramid's core. Excavations also documented a 1,500- to 1,700-metre stone causeway connecting the mortuary precinct to the Nile valley.^{[143][144][145]}

Saqqara

Saqqara was the city necropolis of Inebhedj ('White Walls'), later Memphis, the first capital of the unified kingdom; at first only members of the ruling elite and state officials were buried there, while the kings were still buried at Abydos until the Second Dynasty.^[38][39] It contains Djoser's Step Pyramid, Sekhemkhet's Buried Pyramid, and Fifth and Sixth Dynasty monuments including those of Userkaf, Unas, Teti, Pepi I, Merenre I, and Pepi II.^[53][87] Unas's pyramid complex retains one of the best-preserved covered causeways in Egypt, with its interior walls decorated with hunting and ritual scenes.^[53] The site also features the tomb of Shepseskaf, who broke with the pyramid-building tradition of the Fourth Dynasty to construct the Mastabat al-Fir'aun, a colossal stone mastaba in the shape of a sarcophagus measuring 99.6 by 74.4 metres and 18.9 metres high, encased in fine limestone with a lower course of red granite.^{[146][147][148][149]}

The necropolis witnessed pioneering conservation efforts as early as the New Kingdom, when Prince Khaemweset, a son of Ramesses II and high priest of Ptah at Memphis, surveyed and restored the monuments of Djoser, Userkaf, Shepseskaf, and Unas.^{[53][82][150][151]} In 2008, archaeological teams working at Saqqara relocated the 'Headless Pyramid' (Lepsius 29), confirmed as the tomb of Fifth Dynasty pharaoh Menkauhor, which had been covered by desert sands since Lepsius surveyed it in 1842.^{[152][153][154]} On 11 November 2008, Zahi Hawass announced the discovery of a pyramid built for Queen Sesheshet, mother of the Sixth Dynasty king Teti.^{[155][156][157]}

Dahshur

Until 1996 Dahshur lay inside a military zone and was inaccessible, so it remained relatively unknown outside archaeological circles. Sneferu built two pyramid complexes at Dahshur, the Bent Pyramid and the Red Pyramid.^[62] The field also contains the mudbrick Black Pyramid of the Twelfth Dynasty king Amenemhat III. The Black Pyramid had a mudbrick core on a 105-metre base, reaching 75 metres in height and encased in limestone. It had two entrances: one on the traditional north side led into a labyrinth of corridors ending in a dead end, while the other, at the southeast corner, led through a similar labyrinth down to the burial chamber. Amenemhat III was not buried there; the pyramid he built at Hawara, thought to be the later of the two, is believed to have been his final resting place.

Abusir

With Sahure the royal necropolis moved a few kilometres from Saqqara to Abusir, where his predecessor Userkaf had built his sun temple.^[78][83] The site has fourteen pyramids and served as the main royal necropolis during the Fifth Dynasty.^[53] The three primary standing monuments belong to Sahure (base 78.75 metres, height 47 metres), Neferirkare Kakai (base 105 metres, height 72.8 metres), and Nyuserre Ini (base 79.9 metres, height 51.68 metres).^[83] These structures were built with loose stone and rubble cores encased in stepped mudbrick or limestone revetments, faced with white limestone.^[85] The cemetery also contains the unfinished pyramid of Neferefre, which was converted into a mastaba upon his premature death, as well as the monumental non-royal mastaba of the vizier Ptahshepses.^[83]

Meidum, El-Lisht, and the Faiyum region

The pyramid at Meidum, located 100 kilometres south of Cairo, marks the transition between stepped and smooth-sided pyramid design.^[64] Begun as an eight-stepped pyramid, its steps were subsequently packed with masonry and faced with limestone casing.^[64] Catastrophic collapses of its outer layers in ancient and medieval times stripped the exterior, creating an imposing tower-like structure of three exposed steps resting on an artificial mound of debris 50 metres high.^[64] Medieval Arabic historians, including Al-Maqrizi, recorded that five steps remained visible in the 15th Century, whereas only three survived by the time of European surveys in the 18th Century.^[64]

At El-Lisht, situated near the ancient capital of Itjtawy, Amenemhat I and his son Senusret I erected major Twelfth Dynasty complexes.^[91] Senusret I's pyramid was surrounded by ten subsidiary pyramids built for his royal wives, daughters, and relatives, including Khaba II.^[91][158] Further south in the Faiyum oasis, Senusret II constructed his pyramid at El Lahun using a 12-metre-high natural limestone knoll as its bedrock foundation and core, significantly reducing the volume of mudbrick and stone required.^[159] At Hawara, Amenemhat III built a pyramid believed to have been his final resting place, at the centre of a new royal necropolis to which the famous Labyrinth described by ancient Greek writers may have belonged; the pyramid's burial chamber was carved from a single block of hard yellow quartzite weighing over 100 tonnes.

Construction techniques and logistics

Erecting the royal pyramids required quarrying, transporting, dressing, and placing millions of tonnes of stone with high geometric precision.^{[15][160][161]} The primary stone used for the mass of the superstructure was local nummulitic limestone quarried from outcrops directly on or adjacent to the construction sites, such as the Giza plateau quarries.^{[15][160][161]} High-grade white limestone for outer casing blocks was extracted from subterranean quarries across the Nile at Tura and Maasara, while dark basalt was obtained from the Faiyum and Aswan.^{[14][160][161][162]} Dense pink and red granites used for burial chambers, heavy roofing beams, sarcophagi, and portcullis slabs were quarried at Aswan.^{[123][160][162]}

Masons shaped limestone blocks using copper and arsenical bronze chisels, saws, and wooden mallets.^{[163][164][165]} Arsenical copper alloys, produced deliberately during the Old and Middle Kingdoms, provided greater hardness through cold hammering than unalloyed copper.^[163][166] For extremely hard stones such as granite, granodiorite, and basalt, metal tools were ineffective on their own; workers shaped and excavated hard stone using dolerite hammerstones, wooden wedges soaked in water to split rock along natural cleavage planes, and copper saws aided by quartz or corundum sand abrasives.^[167][168] Foundations were surveyed and levelled using crude square levels, sighting rods, and trenches filled with water, allowing builders to establish flat bedrock foundations with discrepancies of less than 2.1 centimetres across entire five-hectare footprints.^[169][170]

Transporting heavy stone from distant quarries depended primarily on waterway transport along the Nile during the annual inundation.^[171][172] In 2013, French archaeologist Pierre Tallet discovered the Diary of Merer, a collection of papyrus logbooks dating to the 27th year of Khufu's reign, at the ancient Red Sea port of Wadi al-Jarf.^[172][173] Written by an inspector named Merer, the logs document the daily operations of a crew of sailors transporting fine white limestone from the Tura quarries across the Nile and through dedicated canal networks directly to the Great Pyramid at Giza.^[172][173] Recent palaeoenvironmental sediment core analyses published in 2024 mapped the Ahramat branch of the Nile, an extinct 64-kilometre-long waterway measuring 500 metres wide and 25 metres deep that flowed alongside the western desert plateau during the Old Kingdom, explaining the location of pyramid complexes and their valley temples along this ancient transport corridor.^{[169][171][174][175]}

Over land, quarried stone blocks were hauled on heavy wooden sledges pulled by gangs of labourers over prepared tracks.^{[176][177][178]} A famous relief from the Twelfth Dynasty tomb of Djehutihotep at Deir el-Bersha illustrates 172 men pulling a 60-tonne colossus on a sledge, with a worker pouring water onto the sand immediately ahead of the runners.^[179][180] Long dismissed by earlier commentators as a ceremonial libation, laboratory experiments confirmed that wetting the sand increases its shear strength and forms capillary water bridges between sand grains, reducing frictional resistance by approximately 50 percent.^[179]

The precise mechanical method used to lift blocks to the highest levels of pyramids remains an active subject of archaeological debate, as no contemporary plans detailing lifting methods have survived.^{[178][181][182]} Most Egyptologists regard ramps as the most workable method of raising the blocks, though an incomplete one that had to be supplemented by another device. Archaeological evidence for the use of ramps has been found at the Great Pyramid of Giza and at other pyramids.^{[178][182][183]} Proposed configurations include linear ramps, zigzag ramps ascending one face, spiraling ramps wrapping the perimeter of the core, and internal spiraling ramp systems such as that proposed by Jean-Pierre Houdin.^[178][182] Because single straight ramps would require more material than the pyramid itself at higher elevations, researchers argue that ramps were combined with wooden rocker cradles, levers, or shaduf-like devices to hoist blocks onto the highest courses.^[178][184]

Historical assumptions popularized by classical authors that pyramids were constructed by forced slave labor are contradicted by modern archaeological evidence.^[185] Excavations conducted at Giza by Mark Lehner and Zahi Hawass uncovered the planned settlement of Heit el-Ghurab, housing the permanent workforce of skilled stonemasons, carpenters, surveyors, and administrative scribes.^[185][186] Analysis of animal bone remains indicates that the workforce received substantial rations of beef and fish, while adjacent cemeteries contained tombs for deceased workers displaying skeletal evidence of heavy physical labour alongside set fractures and medical care.^[186] The permanent core of approximately 4,000 to 5,000 skilled builders was supplemented seasonally during the Nile inundation (akhet) by conscripted peasant levies, with total operational forces estimated between 20,000 and 100,000 men.^{[185][187][188]}

Later history, destruction, and rediscovery

Following the collapse of the Old Kingdom, royal necropolises were systematically plundered during the First and Second Intermediate Periods.^[189][190] Intruders tunneled through corridors, forced heavy granite portcullis slabs, and smashed sarcophagi to extract gold, jewellery, and precious offerings, leaving subterranean chambers emptied of their funerary goods.^[190] Beginning in the New Kingdom and continuing through the Roman and medieval Islamic eras, pyramids were extensively exploited as quarries for dressed stone.^[190] Casing blocks of fine Tura limestone and red Aswan granite were stripped to construct mosques, palaces, and defensive fortifications in medieval Cairo, causing the deterioration of soft inner masonry cores across Giza, Saqqara, Dahshur, and Abusir.^[190][191]

Al-Aziz Uthman (1171–1198), the second Ayyubid Sultan of Egypt and son of Saladin, tried to destroy the Giza pyramid complex.^{[191][192][193]} He gave up after damaging only the Pyramid of Menkaure, because the task proved too large.^[191][192] According to a tradition that also entered the Thousand and One Nights, the Abbasid caliph Al-Ma'mun broke an entrance into the Great Pyramid around 820, although other sources state that the pyramid was already open at the time of his expedition; the breach lies several courses below the original entrance and is used today as the entrance for tourists.^[191]

In medieval and Renaissance Europe, direct knowledge of the original function of the pyramids was lost, leading travellers and chroniclers to identify them as the 'Granaries of Joseph' described in Genesis, built to store grain during seven years of famine.^[194][195] This interpretation was accepted by Gregory of Tours in the 6th Century and depicted in 13th-century mosaics decorating the atrium of St Mark's Basilica in Venice.^[194][195] The genuine funerary identity of the monuments was re-established in Western scholarship during the 15th Century by Italian humanist Cyriacus of Ancona, often called the father of archaeology, who identified them using classical texts.^[196][197] In the 17th Century, Oxford astronomy professor John Greaves identified the builders of the three Giza pyramids from ancient sources and measured the largest of them on site as precisely as he could.^[198]

An important milestone in pyramid research was Napoleon's expedition to Egypt, whose team of scientists spent three years collecting artefacts and samples, mapping and documenting archaeological sites and recording monuments across the country, including the pyramids.^[198] During the 19th Century, exploration transitioned from destructive artifact-hunting by figures such as Giovanni Battista Caviglia and Howard Vyse (who used gunpowder to breach interior chambers) to systematic surveys.^[199][200] Karl Richard Lepsius recorded 67 pyramids in his 1842 survey, followed by Auguste Mariette and Gaston Maspero, who uncovered the first Pyramid Texts at Saqqara.^[200] Sir William Matthew Flinders Petrie carried out groundbreaking triangulation surveys at Giza in 1880, while 20th-century excavators including Ludwig Borchardt, George Andrew Reisner, and Jean-Philippe Lauer recorded architectural layouts across Abusir, Giza, and Saqqara.^{[200][201][202]} In 1979, the pyramid fields extending from Giza to Dahshur were inscribed as a UNESCO World Heritage Site under the designation Memphis and its Necropolis.^[203]

References

1. "Egypt says has found pyramid built for ancient queen". Reuters. 11 November 2008. Archived from the original on 2 November 2017. Retrieved 2 November 2017.
2. Slackman, Michael (16 November 2007). "In the Shadow of a Long Past, Patiently Awaiting the Future". The New York Times. Archived from the original on 6 January 2018. Retrieved 17 November 2008.
3. Ritter 2006 (Ritter, Michael (2006), Dating the Pyramids, http://www4.uwsp.edu/geo/faculty/ritter/geog101/textbook/connections/connections_dating_pyramids.html, dost. 7. apríl 2013)
4. Gardner, Helen (1980) [1926]. De La Croix, Horst; Tansey, Richard G. (eds.). Art through the Ages (7th ed.). New York: Harcourt Brave Jovanovitch. p. 68. ISBN 0-15-503758-7.
5. Lehner 1997, p. 84. (Lehner, Mark (1997). The Complete Pyramids. London: Thames and Hudson. ISBN 0-500-05084-8.)
6. Maříková-Vlčková 2009, s. 102 (Maříková-Vlčková, Petra, ed. (2009), Hroby, hrobky a pohřebiště starých Egypťanů, Praha: Libri, ISBN 9788072772292)
7. Cimmino 1998, p. 87. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
8. Verner 2008, s. 38 – 39 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
9. Cimmino 1998, p. 22. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
10. Cimmino 1998, p. 21. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
11. Meeks, Dimitri. Mythes et légendes du delta d'après le papyrus brooklyn 47 218 84 (in French).
12. Verner 2008, s. 64 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
13. Verner 2008, s. 34 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
14. Cimmino 1998, p. 152. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
15. Arnold 2003, s. 185 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
16. Cimmino 1998, p. 79. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
17. Cimmino 1998, Cap. V, pp. 78-98. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
18. Aldred 2002, p. 49. (Cyril Aldred, Arte dell'Antico Egitto, traduzione di Massimo Parizzi, Milano, Rizzoli, 2002, p. 278, ISBN 88-7423-063-X.)
19. Cimmino 1998, p. 85. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
20. Cimmino 1998, pp. 81-82. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
21. Cimmino 1998, p. 82. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
22. El Mahdy 2003, pp. 140-142. (Christine El Mahdy, Il costruttore della Grande Piramide, traduzione di Elisabetta De Medio, Milano, Corbaccio, 2003, p. 324, ISBN 88-7972-507-6.)
23. El Mahdy 2003, p. 144. (Christine El Mahdy, Il costruttore della Grande Piramide, traduzione di Elisabetta De Medio, Milano, Corbaccio, 2003, p. 324, ISBN 88-7972-507-6.)
24. Cimmino 1998, p. 92. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
25. Cimmino 1998, p. 89. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
26. Cimmino 1998, p. 88. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
27. El Mahdy 2003, p. 148. (Christine El Mahdy, Il costruttore della Grande Piramide, traduzione di Elisabetta De Medio, Milano, Corbaccio, 2003, p. 324, ISBN 88-7972-507-6.)
28. Wilkinson, Toby (2004). "Before the Pyramids". Egypt at its Origins. Studies in Memory of Barbara Adams Proceedings of the International Conference "Origin of the State. Predynastic and Early Dynastic Egypt", Krakow, 28th August – 1st September 2002. Peeters. p. 1142. ISBN 978-90-429-1469-8. Archived from the original on 18 May 2022. Retrieved 18 June 2015.
29. Cimmino 1998, p. 157. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
30. Cimmino 1998, p. 359. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
31. Jean-Philippe Lauer, citato da Cimmino 1998, p. 156.
32. "Discovery Channel Nederland". Discoverychannel.co.uk. Archived from the original on 5 December 2004. Retrieved 16 November 2012.
33. Hassan, Fekri (2002). "Palaeoclimate, Food And Culture Change In Africa: An Overview". Droughts, Food and Culture. Springer. p. 17. doi:10.1007/0-306-47547-2_2. ISBN 0-306-46755-0. Archived from the original on 12 May 2021. Retrieved 25 May 2021.
34. Roveri 1969, p. 16. (Anna Maria Donadoni Roveri, I sarcofagi egizi dalle origini alla fine dell’Antico Regno, Roma, Università di Roma - Istituto di Studi del Vicino Oriente, 1969, p. 244.)
35. Krejčí 2011, s. 186 (Krejčí, Jaromír (2011), Egypt v době stavitelů pyramid, Praha: Filozofická fakulta UK, ISBN 9788073083861)
36. Roveri 1969, p. 14. (Anna Maria Donadoni Roveri, I sarcofagi egizi dalle origini alla fine dell’Antico Regno, Roma, Università di Roma - Istituto di Studi del Vicino Oriente, 1969, p. 244.)
37. Burial customs: mastabas. Archived 17 May 2011 at the Wayback Machine Burial customs: mastabas. University College London (2001) Retrieved 14 April 2005.
38. Aldred 2002, p. 40. (Cyril Aldred, Arte dell'Antico Egitto, traduzione di Massimo Parizzi, Milano, Rizzoli, 2002, p. 278, ISBN 88-7423-063-X.)
39. Verner 2008, s. 35 – 37 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
40. Lehner 2003, pp. 78-79. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
41. Verner 2008, s. 34 – 35 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
42. Verner 2008, s. 35 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
43. Aldred 2002, p. 41. (Cyril Aldred, Arte dell'Antico Egitto, traduzione di Massimo Parizzi, Milano, Rizzoli, 2002, p. 278, ISBN 88-7423-063-X.)
44. Cimmino 1996, p. 83.
45. A mai, elfogadott vélemény szerint a szakkarai sírok nem az uralkodók kenotáfiumjai, hanem a helyi előkelőség masztabái.
46. Archaic Egypt, Walter B. Emery, p. 144–145.
47. Archaic Egypt, Walter B. Emery, pp. 144–145.
48. Cimmino 1998, pp. 101 e 353. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
49. Aldred 2002, p. 56. (Cyril Aldred, Arte dell'Antico Egitto, traduzione di Massimo Parizzi, Milano, Rizzoli, 2002, p. 278, ISBN 88-7423-063-X.)
50. Lehner 2008, s. 84 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
51. Cimmino 1998, pp. 108-109. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
52. Arnold 2003, s. 229 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
53. Kenneth Kitchen: Ramesside Inscriptions, Translated & Annotated, Translations, Volume II, Blackwell Publishers, ISBN 0-631-18435-X, 1996
54. Lehner 2003, p. 94. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
55. Cimmino 1998, p. 118. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
56. Cimmino 1998, p. 120. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
57. Lehner 2003, p. 95. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
58. Cimmino 1998, p. 121. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
59. Lehner 2003, p. 96. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
60. Cimmino 1998, p. 122. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
61. Cimmino 1998, p. 123. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
62. Lehner 2003, p. 101. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
63. Lehner 2003, p. 97. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
64. Cimmino 1998, p. 129. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
65. Cimmino 1998, p. 130. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
66. Lehner 2003, p. 99. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
67. Cimmino 1998, p. 134. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
68. Cimmino 1998, pp. 135-136. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
69. Cimmino 1998, pp. 136-137. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
70. Cimmino 1998, p. 135. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
71. Cimmino 1998, p. 141. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
72. Arnold 2003, s. 183 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
73. Lehner 2003, p. 104. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
74. Cimmino 1998, p. 143. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
75. Maystre 1935, pp. 89-98. ((FR) Charles Maystre, Les dates des Pyramides de Snefrou, in Bulletin de l'Institut français d'archéologie orientale (BIFAO), XXXV, Parigi, Institut français d'archéologie orientale, 1935.)
76. Arnold 2003, s. 185 – 186 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
77. Lehner 2003, p. 140. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
78. Lehner 2003, p. 142. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
79. Grimal 2002, pp. 96-97. (Nicolas Grimal, Storia dell'Antico Egitto, traduzione di G. Scandone Matthiae, Bari, Laterza, 2002, p. 619, ISBN 978-88-420-5651-5.)
80. Cimmino 1998, pp. 215 e 238. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
81. Verner 2008, s. 334 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
82. Cimmino 1998, p. 223. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
83. Lehner 2003, pp. 142-149. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
84. "In the Reign of the Sun Kings - Archaeology Magazine". www.archaeology.org. Diakses tanggal 2020-12-29.
85. Lehner 1997, s. 218
86. Cimmino 1998, p. 217. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
87. Cimmino 2003, p. 104. (Franco Cimmino, Dizionario delle dinastie faraoniche, Milano, Bompiani, p. 521, ISBN 88-452-5531-X.)
88. Arnold 1997, s. 183
89. Cimmino 2003, p. 112. (Franco Cimmino, Dizionario delle dinastie faraoniche, Milano, Bompiani, p. 521, ISBN 88-452-5531-X.)
90. Arnold 2003, s. 65 – 66 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
91. Allen 2005 (Allen, James P. (2005), Manuelian, Peter Der, ed., The Ancient Egyptian Pyramid Texts, Brill Academic, ISBN 9789004137776)
92. Éric Guerrier, Les pyramides, Éditions Cheminements, 2006 (lire en ligne), p. 430 | //books.google.com/books?id=HUysEbg70fQC
93. Verner 2008, s. 64 – 65 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
94. O'Connor 2011, s. 105 – 110 (O'Connor, David (2011), Abydos: Egypt's First Pharaohs and the Cult of Osiris, London: Thames & Hudson, ISBN 9780500289006)
95. Verner 2008, s. 66 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
96. Lehner 1997, p. 194. (Lehner, Mark (1997). The Complete Pyramids. London: Thames and Hudson. ISBN 0-500-05084-8.)
97. Dows Dunham and M. F. Laming Macadam, Names and Relationships of the Royal Family of Napata, The Journal of Egyptian Archaeology, Vol. 35 (December 1949), pp. 139–149
98. Szabó Gergő: A gízai Nagy Piramis: Érdekes tények és elméletek
99. Derek A. Welsby: The Kingdom of Kush. British Museum Press, London 1996, pp. 207-208 ISBN 0-7141-0986-X
100. Szabó Gergő: A gízai Nagy Piramis
101. Verner 2008, s. 63 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
102. Lehner 1997, s. 18 – 19
103. Verner 2008, s. 63 – 70 (Verner, Miroslav (2008), Pyramidy, Praha: Academia, ISBN 9788020016171)
104. Shaw a Nicholson 2008, s. 262 (Shaw, Ian; Nicholson, Paul (2008), The British Museum Dictionary of Ancient Egypt, London: British Museum Press, ISBN 9780714119809)
105. The Egyptian Pyramid, Smithsonian Institution Department of Anthropology, 1999 (englanniksi)
106. Cimmino 1998, p. 188. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
107. Arnold 2003, s. 187 – 188 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
108. Hölscher 1912, citato da Cimmino 1998, p. 188. ((DE) Uvo Hölscher, Das Grabdenkmal des Königs Chephren, Lipsia, 1912.)
109. Cimmino 1998, p. 146. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
110. VERNER, Miroslav. Objevování starého Egypta : půlstoletí českých egyptologických výzkumů ve stínu pyramid. Praha–Litomyšl: Paseka, 2008. 408 s. ISBN 978-80-7185-896-6. S. 268.
111. Arnold 2003, s. 188 – 189 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
112. BÁRTA, Miroslav. Život a smrt ve stínu pyramid : staroegyptská hrobka a společnost v době stavitelů pyramid Staré říše. Praha–Litomyšl: Paseka, 2008. 373 s. ISBN 978-80-7185-941-3. S. 318.
113. Verner, Bareš a Vachala 2007, s. 391 (Verner, Miroslav; Bareš, Ladislav; Vachala, Břetislav (2007), Encyklopedie starověkého Egypta, Praha: Libri, ISBN 9788072773060)
114. Watkin, David (2005). A History of Western Architecture (4th ed.). Laurence King Publishing. p. 14. ISBN 978-1-85669-459-9. Archived from the original on 12 January 2022. Retrieved 17 October 2020.
115. Watkin 2005, s. 14
116. Cimmino 1998, p. 151. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
117. E. g., Nature, 16 nëntor 2000 dhe 16 gusht 2001; DIO, volume 13, numri 1, faqet 2-11 (2003)
118. Lehner, Mark (1997). The Complete Pyramids. London: Thames and Hudson. ISBN 0-500-05084-8
119. Cimmino 1998, p. 150. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
120. Arnold 2003, s. 186 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
121. Cimmino 1998, p. 153. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
122. Lehner 2003, p. 112. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
123. Cimmino 1998, p. 155. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
124. Cimmino 1998, p. 156. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
125. Lehner 2003, pp. 51 e 114. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
126. Cimmino 1998, p. 182. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
127. Lehner 2003, p. 122 indica l'inclinazione in 53°10'. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
128. Mark Lehner: The Complete Pyramids; Thames & Hudson, 1997, ISBN 978-0-500-05084-2
129. Lehner 2003, p. 122. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
130. Cimmino 1998, p. 185. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
131. Lehner 2003, p. 124. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
132. Cimmino 1998, p. 192. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
133. Cimmino 1998, p. 201. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
134. Lehner 2003, p. 134. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
135. Lehner 2003, p. 135. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
136. Cimmino 1998, p. 347. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
137. Lehner 2003, p. 136. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
138. Cimmino 1998, p. 204. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
139. Cimmino 1998, p. 176. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
140. "Could Djedefre's Pyramid be a Solar Temple?". The Archaeology News Network. Diakses tanggal 2020-12-27.
141. Cimmino 1998, p. 178. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
142. Cimmino 1998, p. 179. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
143. Cimmino 1998, p. 181. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
144. Cimmino 1998, p. 180. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
145. Lehner 2003, p. 121. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
146. Archived 15 November 2016 at the Wayback Machine The Mastaba of Shepseskaf
147. Cimmino 1998, p. 206. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
148. Lehner 2003, p. 138. ((EN) Mark Lehner, The complete Pyramids, I edizione: 1975, Londra, Thames & Hudson Ltd., 2003, p. 256, ISBN 0-500-05084-8.)
149. Lehner 2008, s. 139 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
150. Shaw a Nicholson 2008, s. 263 (Shaw, Ian; Nicholson, Paul (2008), The British Museum Dictionary of Ancient Egypt, London: British Museum Press, ISBN 9780714119809)
151. Lehner 2008, s. 38 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
152. "Egypt uncovers 'missing' pyramid of a pharaoh". www.chinadaily.com.cn. Retrieved 2 December 2025.
153. Kratovac 2008 (Kratovac, Katarina (6. máj 2008), „Mystery of ‘Headless Pyramid’ solved“, NBC News, http://www.nbcnews.com/id/24985028/ns/technology_and_science-science/t/mystery-headless-pyramid-solved/#.UWsBZMr4Zit, dost. 14. apríl 2013)
154. [29] ^ ([28])
155. Slackman 2007
156. Bossone 2008 (Bossone, Andrew (2008), „New Pyramid Found in Egypt: 4,300-Year-Old Queen's Tomb“, National Geographic, http://news.nationalgeographic.com/news/2008/11/081111-new-pyramid-egypt.html, dost. 14. apríl 2013)
157. "ಆರ್ಕೈವ್ ನಕಲು". Archived from the original on 2008-12-04. Retrieved 2010-07-18.
158. Allen, James; Manuelian, Peter (2005). The Ancient Egyptian Pyramid Texts (Writings from the Ancient World, No. 23). Brill Academic. ISBN 978-90-04-13777-6.
159. "Al-Lāhūn | Pyramid, Middle Kingdom & Fayum | Britannica". www.britannica.com. Retrieved 10 April 2025.
160. Lehner 1997, p. 207. (Lehner, Mark (1997). The Complete Pyramids. London: Thames and Hudson. ISBN 0-500-05084-8.)
161. Aly, Nevin; Gomez-Heras, Miguel; Alveraz de Burgo, Monica; Hamed, Ayman; Soliman, Farouk Ahmed (2014). «Describing differential decay in Mokattam formation limestone used in World Heritage Sites: the cases of the Great Sphinx – Giza and Historic Cairo, Egypt». YOCOCU 2014 Youth in the Conservation of Cultural Heritage
162. Wilkinson 2008, „Travertine“
163. Lechtman, Heather (1996). «Arsenic Bronze: Dirty Copper or Chosen Alloy? A View from the Americas». Journal of Field Archaeology. 23 (4): 477–514. JSTOR 530550. doi:10.2307/530550. Cópia arquivada em 27 de dezembro de 2022
164. Odler, Martin (2016). Old Kingdom copper tools and model tools. Col: Archaeopress Egyptology. Oxford: Archaeopress Publishing Ltd. ISBN 978-1-78491-442-4
165. Lehner 2008, s. 12 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
166. Kmošek, Jiří; Odler, Martin (30 de junho de 2025). «Production of arsenical bronze using speiss on the Elephantine Island (Aswan, Egypt) during the Middle Kingdom (Middle Bronze Age) (c .2000–1650 BCE)». Archaeometry (em inglês). ISSN 0003-813X. doi:10.1111/arcm.70008. Cópia arquivada em 26 de agosto de 2025
167. «Hidden Secrets of Ancient Egyptian Technology - The Metropolitan Museum of Art». www.metmuseum.org (em inglês). 22 de maio de 2015. Consultado em 21 de agosto de 2025. Cópia arquivada em 29 de março de 2026
168. «Ancient Egyptian Stone-Drilling». Expedition Magazine (em inglês). Consultado em 21 de agosto de 2025. Cópia arquivada em 13 de setembro de 2025
169. "EGYPTIAN SURVEYING TOOLS". surveyhistory.org. Retrieved 11 July 2022.
170. Edwards, Iorwerth Eiddon Stephen; Rose, John Cruikshank. The Pyramids of Egypt 1947 p.9
171. Younes, Gamal (2024). "The pyramid builders' waterways: Reconstructing the ancient topography of Khufu's Pharaonic Harbour at Giza, Egypt". Journal of Archaeological Science: Reports. 53 104303. doi:10.1016/j.jasrep.2023.104303.
172. «World's Oldest Harbor Discovered in Egypt». LiveScience (em inglês). 16 de abril de 2013. Consultado em 11 de setembro de 2017. Cópia arquivada em 17 de maio de 2026
173. Stille, Alexander. "The World's Oldest Papyrus and What It Can Tell Us About the Great Pyramids". Smithsonian Magazine. Archived from the original on 23 September 2015. Retrieved 26 June 2018.
174. «A now-dry branch of the Nile helped build Egypt's pyramids, new study says». CNN. 2 de setembro de 2022. Consultado em 29 de outubro de 2022. Cópia arquivada em 1 de janeiro de 2026
175. Ghoneim, Eman; Ralph, Timothy J.; Onstine, Suzanne; et al. (16 de maio de 2024). «The Egyptian pyramid chain was built along the now abandoned Ahramat Nile Branch». Nature. 5 (233). doi:10.1038/s43247-024-01379-7
176. "Solved! How Ancient Egyptians Moved Massive Pyramid Stones". Live Science. Archived from the original on 1 January 2022. Retrieved 26 February 2018.
177. Uma ilustração de uma estátua grande pesando cerca de 60 toneladas a ser puxada por um trenó com um líquido a ser derramado à frente é descrita em Stocks, Denys A. Experiments in Egyptian archaeology: stoneworking technology in ancient Egypt. Routledge, July 2003 ISBN 978-0-415-30664-5
178. Arnold 2003, s. 186 – 187 (Arnold, Dieter (2003), The Encyclopedia of Ancient Egyptian Architecture, Princeton University Press)
179. Terrence McCoy (2 May 2014). "The surprisingly simple way Egyptians moved massive pyramid stones without modern technology". The Washington Post. Archived from the original on 5 May 2014. Retrieved 26 August 2017.
180. Stocks, Denys A. Experiments in Egyptian archaeology: stoneworking technology in ancient Egypt. Routledge, July 2003 ISBN 978-0-415-30664-5
181. Pierre Tallet, « Les papyrus de la Mer Rouge I, le journal de Merer (papyrus Jarf A et B) », mémoires publiés par l'Institut français d'archéologie orientale (MIFAO), Le Caire, 2017. Ce lot de papyrus, découvert sur le site de Ouadi el-Jarf lors de la campagne de fouilles de 2013 de Pierre Tallet, donne des indications sur plusieurs éléments du chantier royal des pyramides de Gizeh. Dans ce lot, le contremaître Merer dirigeant une équipe de bateliers et de transporteurs, évoque notamment comment ils ont dû ouvrir des digues pour détourner l'eau du Nil en crue et creuser des canaux artificiels pour frayer un chemin aux bateaux chargés des blocs de pierre jusqu'au chantier.
182. Hawass, Zahi (2006). «Building a Pyramid». Consultado em 9 de novembro de 2015. Cópia arquivada em 14 de fevereiro de 2009
183. Hawass, Zahi (1998). «Pyramid Construction. New Evidence Discovered at Giza». In: Guksch, Heike; Polz, Daniel. Stationen. Beiträge zur Kulturgeschichte Ägyptens Rainer Stadelmann gewidmet (PDF). Mainz: Philipp von Zabern. ISBN 3-8053-2526-6. Cópia arquivada (PDF) em 6 de março de 2024
184. Lehner, Mark (1997). The Complete Pyramids. New York: Thames and Hudson
185. Rangus, Eric (29 de agosto de 2005). «Egyptologist tells story of commoner pyramid builders». Emory Report. 58 (1). Consultado em 22 de abril de 2024. Cópia arquivada em 25 de março de 2026
186. , Recuperado el 30/09/2015.
187. Dunn 2010, s. 270 (Dunn, Christopher (2010), Lost Technologies of Ancient Egypt: Advanced Engineering in the Temples of the Pharaohs, Bear & Company, ISBN 9781591431022)
188. BBC - History - Ancient History in depth: The Private Lives of the Pyramid-builders www.bbc.co.uk. Viitattu 5.8.2020. (englanniksi)
189. Cimmino 1998, p. 147. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
190. Cimmino 1998, p. 148. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
191. Lehner 2008, s. 41 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
192. Lehner 1997, p. 41. (Lehner, Mark (1997). The Complete Pyramids. London: Thames and Hudson. ISBN 0-500-05084-8.)
193. Cimmino 1998, p. 202. (Franco Cimmino, Storia delle piramidi, III, Santarcangelo di Romagna(RN), Rusconi, 1998, p. 490, ISBN 88-18-88016-0.)
194. (EN) Gregorio di Tours, Historia Francorum
195. Lehner 2008, s. 42 – 43 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
196. Enciclopedia Treccani, Ciriaco d'Ancona
197. Agostino Pertusi, Venezia e l'Oriente: fra Tardo Medioevo e Rinascimento, Sansoni, 1966, p. 331.
198. Lehner 2008, s. 46 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
199. Lehner 2008, s. 48 – 53 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
200. Lehner 2008, s. 56 – 57 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
201. Lehner 2008, s. 59 – 60 (Lehner, Mark (2008), The complete pyramids, London: Thames & Hudson, ISBN 9780500285473)
202. Hölscher 1912, resoconto dei lavori di scavo. ((DE) Uvo Hölscher, Das Grabdenkmal des Königs Chephren, Lipsia, 1912.)
203. Centre, UNESCO World Heritage. "Memphis and its Necropolis – the Pyramid Fields from Giza to Dahshur". UNESCO World Heritage Centre (bl-Ingliż). Miġbur 2023-09-03.