The Great Bitter Lake is a large saltwater lake in Egypt which is part of the Suez Canal. Before the canal was built in 1869, the Great Bitter Lake was a dry salt valley or basin. References are made to the Great Bitter Lake in the ancient Pyramid Texts.
The Great Bitter Lake from low orbit (north is left)
The Suez Canal is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea through the Isthmus of Suez and dividing Africa and Asia. The 193.30-kilometre-long (120.11 mi) canal is a key trade route between Europe and Asia.
The Suez Canal from space, showing the Great Bitter Lake at the centre (after the 2015 expansion)
Aerial view of the Suez Canal at Suez
The southern terminus of the Suez Canal at Suez on the Gulf of Suez, at the northern end of the Red Sea
Bathymetric chart, northern Gulf of Suez, route to Cairo, 1856