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Photo: Wannabe Egyptologist, CC BY-SA 3.0 via Wikimedia Commons
The pyramid of Neferefre, or pyramid of Raneferef, is the unfinished funerary monument built for the Egyptian pharaoh Neferefre of the Fifth Dynasty in the 25th century BC. It is the third and final pyramid built on the Abusir diagonal – a figurative line connecting the Abusir pyramids with Heliopolis – of the necropolis, and is sited south-west of Neferirkare's pyramid.
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Queen Khentkaus II, wife of Neferirkare and mother of Neferefre and Niuserre.
— The pyramid belonged to a woman, likely a queen. The name of the vizier Ptahshepses appears among builders' marks, which dates the pyramid to the time of Pharaoh Nyuserre.
Likely the pyramid of a queen from the Fifth dynasty
Standing 45 m now in a partially ruined state, the Pyramids of Neferirkare closely resembles the Step Pyramid of Djoser at Saqqara, unintentionally, as the steps visible in its construction were designed to be filled in to achieve the classic pyramid shape. This task was never completed.
Easily the most ruinous of the 'complete' pyramids at Abusir. Nyuserre was the son of pharaoh Neferirkare and usurped the causeway of his father's mortuary temple for his own monument - it can be seen to the southeast of the pyramid. Nyuserre's monument encompass a main pyramid, a mortuary temple adjacent the east face, a valley temple on Abusir Lake, the accompanying causeway intended for Neferirkare's monument, and a cult pyramid. The main pyramid had a stepped core built from roughly cut limestone encased in fine Tura limestone. The limestone casing was stripped by stone thieves, leaving the core exposed to the elements and further human activity, reducing the once nearly 52 m tall pyramid to a ruined mound, with a substructure that is dangerous to enter due to the risk of cave-ins.
Ptahshepses, vizier under Nyuserre.