The pyramid of Sahure () is the funerary monument built for the Egyptian pharaoh Sahure of the Fifth Dynasty in the late 26th to 25th century BC. This initiated a period of pyramid building by Sahure's successors in Abusir, on a location earlier used by Userkaf for his sun temple. The site was first properly excavated by Ludwig Borchardt between March 1907 and 1908, who wrote the standard work ('The Funerary Monument of King Sahure') between 1910 and 1913.

The pyramid complex's layout was adopted by succeeding kings of the Fifth and Sixth Dynasties, marking a milestone in pyramid complex construction. Compared to the preceding Fourth Dynasty, the immensity of the constructions was dramatically reduced but, in tandem, the decorative programme proliferated and temples were augmented by enlarged storeroom complexes. The complex is estimated to have had of finely carved relief adorning its walls, of which has been preserved. Some of these reliefs are considered unparalleled in Egyptian art, such as the by hunting scene from the mortuary temple. For comparison, Sahure's temple contained 370 running metres (1,214 running feet) of such relief decoration, while the temple of Khufu's Great Pyramid contained 100 running metres (328 running feet). The complex is also remarkable for the array of valuable materials – such as granite, alabaster and basalt – used extensively in its construction.

The main pyramid was built from roughly hewn limestone blocks bound with mud mortar and encased with fine white Tura limestone. It had a base of about to long converging at either 50°11′40″ or 50°30′ towards the apex between and high. The architects made an error in demarcating the pyramid base, extending it too far east. The pyramid's internal chambers were devastated by stone thieves, rendering an accurate reconstruction impossible. Stone fragments believed to belong to the king's basalt sarcophagus are the only remains of the burial that have been found. The mortuary temple adjacent to the pyramid's east face comprises an entrance hall, an open courtyard, a five-niche statue chapel, an offering hall, and storerooms. These elements had appeared in mortuary temples since the reign of Khafre. South of the temple is the enclosure with the cult pyramid, employing the same construction method used in the main pyramid but on a reduced scale, with a base length of converging at 56° to a peak high. The complex's two temples are linked by a long intricately decorated and well-illuminated causeway. The valley temple is situated on Abusir lake and is unusual for having two entrances: the main on its east side, and a secondary one on its south. It remains unclear why a second entry point was built, though it may have been connected to a pyramid town to its south.

Sahure's mortuary temple became the object of a cult of Sekhmet around the Eighteenth Dynasty. The cult was active through to the Ptolemaic Kingdom, though its influence began to wane following the reign of Ramesses II. This period heralded the first wave of destruction on the Abusir monuments, whilst Sahure's escaped the dismantlement, possibly as a result of the cult's presence. The monuments stirred interest again in the Twenty-Fifth to Twenty-Sixth Dynasties, which is shown by the copying of reliefs from the mortuary temples of Sahure, Nyuserre and Pepi II by the pharaoh Taharqa for the temple of Kawa in Nubia. A second wave of destruction of the Abusir monuments took place in the Twenty-Seventh Dynasty, but Sahure's temple was spared again, the cult still being present. With the onset of the Roman period, the Abusir monuments, including Sahure's, were subjected to a third wave of destruction. At the beginning of the Christian era, Sahure's temple became the site of a Coptic shrine, as evidenced by the recovery of pottery and graffiti dating to between the 4th and 7th century AD. Thereafter, until the late 19th century, the monuments were periodically quarried for limestone.

Location and excavation

Sahure chose a site near Abusir for his funerary monument, thus constructing the first pyramid in the region. Earlier, Userkaf, founder of the Fifth Dynasty, chose Abusir for his sun temple. It is unclear why Userkaf sought such a remote site. It may have been significant for the nearby cult of Ra, or, in the opinion of the Egyptologist Werner Kaiser, the southernmost point from which the gilded pyramidion of the pillar-like structure in the temple of Ra in Heliopolis could be seen. It is clear, however, that his decision influenced the history of Abusir, including Sahure's decision to build his monument there. Three of the Abusir pyramids – Sahure, Neferirkare and Neferefre – are linked at the northwest corners by an imaginary line running to Heliopolis (Iunu). The diagonal was broken by Nyuserre, who positioned his complex between those of Neferirkare and Sahure.

Early excavators did not perform thorough investigations of Sahure's monument, perhaps discouraged by its ruined state. In 1838, John Shae Perring, an engineer working under Colonel Howard Vyse, cleared the entrances to the Sahure, Neferirkare and Nyuserre pyramids. Perring was the first to enter the substructure of Sahure's pyramid in modern times. Five years later, Karl Richard Lepsius, sponsored by King Frederick William IV of Prussia, explored the Abusir necropolis and catalogued Sahure's pyramid as XVIII. The pyramid was also re-entered by Jacques de Morgan, but he too did not explore further. No further investigations were performed for the next fifty years until the Egyptologist Ludwig Borchardt visited the site.

From 1902 to 1908, Borchardt, working for the Deutsche Orient-Gesellschaft (German Oriental Society), had the Abusir pyramids resurveyed and their adjoining temples and causeways excavated. From March 1907 to March 1908, Borchardt had Sahure's pyramid thoroughly investigated, and had trial digs conducted at nearby sites, including Neferefre's unfinished pyramid. He published his findings in the two-volume study (1910–13), which remains the standard work on the complex.

In 1994, the Egyptian Supreme Council of Antiquities opened the Abusir necropolis to tourism. In preparation, restorative works were conducted at Sahure's pyramid. The archeologist Zahi Hawass had a segment of Sahure's causeway cleaned and reconstructed, during which large relief-decorated limestone blocks that had been buried in the sand were uncovered. The reliefs found on these blocks were thematically and artistically unique and shed new light on the decorative programme of the complex.

Mortuary complex Layout

Old Kingdom mortuary complexes typically consist of five main components: (1) a valley temple; (2) a causeway; (3) a mortuary temple; (4) a cult pyramid; and (5) the main pyramid. Sahure's east–west oriented complex contains all of these elements. Its tall main pyramid comprised six ascending steps of stone encased in fine white limestone, with a cult pyramid located at the south-east corner, and a mortuary temple, the standard-bearer for future variants, adjacent to its east face. These connected to the valley temple, situated on Abusir lake, by a long limestone causeway. From the outset of the Fifth Dynasty, the main pyramids were dramatically reduced in size and adopted simplified construction techniques. Meanwhile, relief decoration advanced in wealth of subject matter and quality of workmanship, and temples were outfitted with expansive storeroom complexes. Except for minor deviations, the complex built by Sahure became the model for the remainder of the Fifth and Sixth Dynasties and the arrangement of the apartments of his mortuary temple became the standard for subsequent temples of the type in the Old Kingdom. Thereby it marked a milestone in the development of pyramid complex construction.

The complex is well-decorated, containing thematically diverse relief-work identified by the Egyptologist Miroslav Verner as 'the highest level of the genre' found in the Old Kingdom. Across its entirety, it is estimated that of finely carved relief adorned the walls. His mortuary temple alone contained 370 running metres (1,214 running feet) of relief decorations. By contrast, Sneferu's mortuary temple contained 64 running metres (210 running feet) of relief decoration, Khufu's contained 100 running metres (328 running feet), and the temple of Sahure's direct predecessor Userkaf contained 120 running metres (394 running feet). The mortuary temple of Pepi II, the last king of the Old Kingdom, contained 200 running metres (656 running feet) of relief decoration, indicating a decline after Sahure too. No more than of fragmentary relief has been preserved from Sahure's temple, but this is considered well-preserved. Additionally, Sahure reserved of the mortuary temple's floorplan for storerooms, accounting for 21.6% of its total area. By comparison, the temple of Sneferu's Red Pyramid at Dahshur, and temple of Khufu's Great Pyramid had no storerooms, while the temple of Khafre's pyramid reserved less than of space for storerooms, accounting for 15.8% of its total area. This change represents a shift in priority towards the daily activities of the mortuary cult.

Main pyramid Sahure's pyramid is situated upon a hill elevated above the Nile valley. Although the subsoil of the area has never been investigated, evidence from the nearby mastaba of Ptahshepses suggests that the pyramid was not embedded into bedrock, but on a platform constructed from at least two layers of limestone. The pyramid had a core comprising six ascending steps, five of which remain. The steps were probably built from horizontally laid courses of limestone. The core consisted of low-grade roughly cut limestone bound with mud mortar, and was encased by fine white limestone.

The pyramid was constructed in a drastically different manner to those of the preceding dynasty. Its outer faces were framed using massive, roughly dressed grey limestone blocks well joined with mortar. The inner chambers were similarly framed, but using considerably smaller blocks. The core of the pyramid, between the two frames, was then packed with a rubble fill of limestone chips, pottery shards, and sand, with clay mortaring. This method, while less time- and resource-consuming, was careless and unstable, and meant that only the outer casing was constructed using high-quality limestone.

Owing to the poor condition of the monument, information about its dimensions and appearance contains a degree of imprecision. The pyramid had a base length of about to converging at either 50° 11′ 40′′ or 50°30′ towards the apex between and high. The architects made a notable error in demarcating the base, causing the southeast corner to extend too far east. Consequently, it is not square. A ditch was left in the pyramid's north face during construction, which allowed workers to build the inner corridor and chambers while the core was being erected around it, before filling it in with rubble.

The pyramid is surrounded by a limestone paved courtyard, except where the mortuary temple sits, and is accessed from the temple's north and south wings. Enclosing the courtyard is a tall, rounded enclosure wall at its thickest.

Substructure

The substructure access is located slightly above ground on the pyramid's north face. A short descending corridor – lined with granite – leads into a vestibule, beyond which the route is guarded by a pink granite portcullis, with granite-lined walls on either side. The corridor is long sloped at 24° 48′, with a passage wide and high. The corridor following – lined with limestone – begins with a slight ascent becoming horizontal – lined with granite – just before its terminus. The ascending portion is long with a slope of 5°, while the horizontal section is long.