Scientists Find Evidence of “Defunct Nile Tributary” That Was Close to Pyramid Site, Allowing Transport of Two-Ton Blocks

(p. D5) For 4,500 years, the pyramids of Giza have loomed over the western bank of the Nile River as a geometric mountain chain. The Great Pyramid, built to commemorate the reign of Pharaoh Khufu, the second king of Egypt’s fourth dynasty, covers 13 acres and stood more than 480 feet upon its completion around 2560 B.C. Remarkably, ancient architects somehow transported 2.3 million limestone and granite blocks, each weighing an average of more than two tons, across miles of desert from the banks of the Nile to the pyramid site on the Giza Plateau.

Hauling these stones over land would have been grueling. Scientists have long believed that utilizing a river or channel made the process possible, but today the Nile is miles away from the pyramids. On Monday, however, a team of researchers reported evidence that a lost arm of the Nile once cut through this stretch of desert, and would have greatly simplified transporting the giant slabs to the pyramid complex.

Using clues preserved in the desert soil, the scientists reconstructed the rise and fall of the Khufu Branch, a now defunct Nile tributary, over the past 8,000 years. Their findings, published in the Proceedings of the National Academy of Sciences, propose that the Khufu Branch, which dried up completely around 600 B.C., played a critical role in the construction of the ancient wonders. “It was impossible to build the pyramids here without this branch of the Nile,” said Hader Sheisha, an environmental geographer at the European Center for Research and Teaching in Environmental Geoscience, and an author of the new study.

For the full story, see:

Jack Tamisiea. “A Branch of the Nile Set Up the Pyramids.” The New York Times (Tuesday, September 13, 2022): D5.

(Note: the online version of the story was updated Aug. 30, 2022, and has the title “A Long-Lost Branch of the Nile Helped in Building Egypt’s Pyramids.”)

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