The Columbia Encyclopedia, Sixth Edition. 2001-07.
Turkana, Lake
c.2,500 sq mi (6,475 sq km), NW Kenya and SW Ethiopia, E Africa, in the Great Rift Valley; alt. 1,230 ft (375 m). Surrounded by desolate, volcanic mountains, the 170-mi- (274-km-) long lake is the focus of interior drainage and has no outlet; it is becoming increasingly saline. It was formerly known as Lake Rudolf.