The Red Pyramid, also called the North Pyramid, is the largest of the three major pyramids located at the Dahshur necropolis in Cairo, Egypt. Named for the rusty reddish hue of its red limestone stones, it is also the third largest Egyptian pyramid, after those of Khufu and Khafra at Giza. It is also believed to be Egypt’s first successful attempt at constructing a “true” smooth-sided pyramid. Local residents refer to the Red Pyramid as el-heram el-watwaat, meaning the Bat Pyramid.
The Red Pyramid was not always red. It used to be cased with white Tura limestone, but only a few of these stones now remain at the pyramid’s base, at the corner. During the Middle Ages much of the white Tura limestone was taken for buildings in Cairo, revealing the red limestone beneath.
History
Outlines of various pyramids overlaid on top of on another to show relative height
Comparison of approximate profiles of the Red Pyramid with some notable pyramidal or near-pyramidal buildings. Dotted lines indicate original heights, where data are available. In its SVG file, hover over a pyramid to highlight and click for its article.
The Red Pyramid was the third pyramid built by Old Kingdom Pharaoh Sneferu, and is located approximately one kilometer to the north of the Bent Pyramid. It is built at the same shallow 43 degree angle as the upper section of the Bent Pyramid, which gives it a noticeably squat appearance compared to other Egyptian pyramids of comparable scale. Construction is believed to have begun during the thirtieth year of Sneferu’s reign (ca. 2590 BCE). Egyptologists disagree on the length of time it took to construct. Based on quarry marks found at various phases of construction, Rainer Stadelmann estimates the time of completion to be approximately 17 years while John Romer, based on this same graffiti, suggests it took only ten years and seven months to build.
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