The Osiris Shaft beneath the Giza Plateau reaches roughly 100 feet below the surface. Its second level, about 55 feet down, contains six rock-cut rooms, while the third contains a stone sarcophagus roughly 9 feet long. The lid weighs 11–12 tons, and the complete stone box may have weighed at least 30 tons. The lower chamber features an island tomb surrounded by water. Dr. Zahi Hawass led the 1999 excavation and called it his greatest adventure. The shaft lies beside the Sphinx’s Causeway and opened to visitors in November 2017.
Osiris Shaft reaches 100 feet below Giza with an 11–12-ton sarcophagus lid

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Key facts
- The Osiris Shaft extends about 100 feet (30 metres) below the Giza Plateau; its second level is approximately 55 feet down.
- The second level contains six rooms cut into rock, while the third contains a stone sarcophagus roughly 9 feet long.
- The sarcophagus lid weighs 11–12 tons, and the complete stone box may have weighed at least 30 tons.
- The lower chamber features an island tomb surrounded by water.
- Zahi Hawass led the 1999 excavation and described it as his greatest adventure.
- The shaft lies beside the Sphinx’s Causeway and opened to visitors in November 2017; describing access as an unmarked locked gate is outdated.
Sources
The Osiris Shaftguardians.net
The Osiris Shaft is located under the causeway of Khafre, and it is about 25 feet deep. · This "water shaft" is already the stuff of legend and Internet rumor.
[PDF] The Discovery of the Osiris Shaft at Giza - Harvard Universitygizamedia.rc.fas.harvard.edu
Pipes were run down the shaft to bring the water from the lowest level up to the plateau. The noise from the pumping created extremely difficult working.
The Osiris Shaft | Uncovering Egypt's History - Britannicabritannica.com
Symbolically, Osiris is buried here. He's ruling the underground tunnels of the Giza Plateau. That is really my favorite discovery. It's the most exciting work ...
What Is The "Osiris Shaft" In Giza Egypt, Who Made It, And When?hiddenincatours.com
On the Giza Plateau and below the stone causeway of the so called Khafre's pyramid complex lies an unusual tomb structure. · A thorough excavation was conducted ...
The Osiris Tomb in Giza - Gregor Spörrigregorspoerri.com
Embedded in it is a mighty granite sarcophagus with a rounded head section. I estimate its size and calculate a weight of 10 to 15 tons. When I look at the ...
The Osiris Shaft and the Khafre Causeway (Giza Plateau)academia.edu
The tomographic response at the depth corresponding to the second level shows volumetric anomalies whose position and geometry are consistent with the ...
Uncover the Golden Osiris Tomb in Gizaegypttoursportal.com
At 6 meters deep, the room is empty, with no inscriptions or decorations—an unusual feature for an ancient Egyptian burial site. A vertical ...
Giza pyramid complexen.wikipedia.org
The Osiris Shaft is a narrow burial-shaft leading to three levels for a tomb and below it a flooded area. It was opened to tourists in November 2017.
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