Bent Pyramid

Updated April 15, 2024

## Bent Pyramid (Dahshur): Sneferu’s pivotal step from step pyramids to “true” pyramids

Where it is: Dahshur necropolis (Badrashīn, Giza Governorate), ~40 km south of central Cairo
Map/address: Q6R5+5PG, Badrashin, Giza Governorate 3300001, Egypt
Approx. coordinates: 29.790° N, 31.209° E

### Why the Bent Pyramid matters

Built for King Sneferu in Egypt’s Fourth Dynasty (Old Kingdom), the Bent Pyramid is the clearest snapshot of Egyptian engineers learning—fast—how to move from step-sided monuments to smooth-sided “true” pyramids. It’s the only large pyramid that changes slope partway up: the lower courses rise at about 54°, then above ~47 m switch to ~43°, producing the unmistakable “bend.” That mid-course correction immediately informed Sneferu’s next project, the nearby Red Pyramid, which was built at ~43° from the ground up.

Key reference measurements widely cited: height ~104.7 m and base ~189.4 m. The site lies within the UNESCO World Heritage property Memphis and its Necropolis – the Pyramid Fields from Giza to Dahshur.

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### What you’ll see on site

– Original casing still in place (lower half). Unlike most Egyptian pyramids, the Bent Pyramid retains a substantial portion of its polished limestone casing on the lower courses. It’s one of the best places in Egypt to understand how pyramids looked when fully clad.
– Satellite (side) pyramid to the south. A smaller satellite pyramid stands just south of the main monument; it forms part of Sneferu’s funerary complex. Project
– A quiet desert field with major neighbors. The Red Pyramid—often described as Egypt’s first successfully executed true pyramid—stands a short distance to the north within the same Dahshur necropolis.

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### Inside the Bent Pyramid: what’s known and what’s open

After decades largely closed, Egypt reopened the Bent Pyramid to visitors in July 2019. Reporting at the time confirmed access via a raised entrance on the north face and a ~79 m narrow tunnel leading to interior chambers. The 18 m-high satellite pyramid was also opened in that announcement. Policies can change; confirm current access locally before you go.

Interior plan (as described in technical summaries): The Bent Pyramid is unusual in having two entrances—one on the north side and a second high on the west face—each leading to separate corbelled chambers that interconnect. Expect confined, steep passages and limited headroom in places.

> Inclusive planning note: Interior passages are steep and narrow. Visitors with claustrophobia or mobility limitations may prefer appreciating the exterior and casing stones rather than committing to the interior descent. This reflects the documented tunnel dimensions and access style from the 2019 reopening coverage.

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### How the “bend” happened: the leading explanation

Most Egyptological overviews point to stability concerns during construction at the original steep angle. Midway through the build the slope was reduced to the safer ~43°, which then became the template for the Red Pyramid. While alternative scheduling/cost theories exist, the engineering-stability rationale is the most commonly cited in reference works.

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### Context that elevates your visit

– UNESCO landscape, not a one-off monument. Dahshur sits within the larger Memphite Necropolis spanning Giza, Abusir, Saqqara, and Dahshur—a continuous funerary landscape reflecting centuries of pyramid development. World Heritage Centre
– A three-stop “origin story” for true pyramids. In sequence: Meidum (often associated with Sneferu), Bent Pyramid (mid-project slope change), then Red Pyramid (first fully realized smooth-sided pyramid at ~43°). Seeing Dahshur alongside Saqqara or Meidum makes the engineering progression tangible.

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### Practical, factual planning (no hype)

– Exact location & approach. The Bent Pyramid is in Dahshur (Giza Governorate), roughly 40 km south of Cairo. It’s within the Badrashīn area on the west-desert edge of the Nile Valley.
– What’s reliably there to study outdoors. Even if interiors are closed on a given day, the preserved casing on the lower half and the geometry of the slope break are the main educational draws and can be observed from the exterior.
– Pairing with the Red Pyramid. The Red Pyramid stands nearby in the same necropolis; many visitors combine both for a complete picture of Sneferu’s innovations.

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### Fast facts (for quick reference)

– Builder: Sneferu, Fourth Dynasty (c. 2600 BC).
– Angles: approx. 54° (lower), 43° (upper); slope change above ~47 m.
– Size: height ~104.7 m; base ~189.4 m.
– Interior access (status in 2019): reopened with north-face entry and ~79 m tunnel to chambers; side pyramid also announced open. Verify current status.
– World Heritage: within Memphis and its Necropolis – the Pyramid Fields from Giza to Dahshur (inscribed 1979). World Heritage Centre

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### What may change (verify before you go)

– Interior entry, hours, and local rules at Dahshur can shift. The 2019 reopening is well documented, but current on-the-day access—particularly to interior passages or the satellite pyramid—should be checked with on-site staff or official channels.

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### Sources for this guide
– Technical overview & measurements (angles, height/base, location, distance from Cairo; interior layout): Bent Pyramid reference article.
– UNESCO context: Memphis and its Necropolis – the Pyramid Fields from Giza to Dahshur. World Heritage Centre
– Reopening & interior-access details (2019): Reuters report (north entrance, 79 m tunnel; side pyramid access).
– Casing stones & satellite-pyramid presence: Site profiles summarizing surviving polished limestone casing and the southern satellite.

All items above are restricted to well-sourced facts. Any policies (open/closed status) should be re-checked close to your visit.

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