The Osiris Shaft beneath the Giza Plateau is an incredible underground discovery. Located about 25 to 30 feet down, it features a burial chamber with multiple rooms carved into bedrock, and contains a massive granite sarcophagus roughly 9 feet long with a lid weighing 10 to 15 tons. Dr. Zahi Hawass led the excavation, calling it his greatest adventure. Access is through an unmarked locked gate near the Sphinx's Causeway — this site isn't on tourist maps. The architecture with its island tomb surrounded by a moat of water is genuinely remarkable engineering.
Osiris Shaft discovered 100 feet underground with 11-12 ton sarcophagus

Key facts
- The Osiris Shaft is located deep beneath the Giza Plateau, approximately 100 feet underground
- The shaft leads to a burial chamber with an island tomb surrounded by a moat of water
- The burial chamber consists of six rooms cut into rock on the second level (55 feet down)
- The third level contains a stone sarcophagus with a lid weighing 11 to 12 tons
- The sarcophagus is approximately 9 feet in length
- The entire stone box including the lid may have weighed at least 30 tons
- The site is not advertised; the entrance is an unmarked locked gate next to the Sphinx's Causeway
- Dr. Zahi Hawass led the excavation in 1999, calling it his greatest adventure
- The structure was carved out of bedrock below the Giza Plateau
Site mentioned
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 ...
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