Lake Eyasi is a shallow soda lake at the foot of the Ngorongoro highlands in northern Tanzania, running along the base of the Eyasi escarpment in hot, dry country south-west of Karatu.
Its significance is cultural rather than scenic. The Hadzabe, who live around the lake, are among the last hunter-gatherer peoples in Africa, speaking a click language unrelated to any other and continuing to hunt with bow and arrow and to forage as their ancestors did.
The Datoga, pastoralists and skilled blacksmiths, live nearby and trade metal arrowheads to the Hadzabe, a relationship that has persisted for generations and which visitors commonly see on the same morning.
The lake itself is shallow and fluctuates dramatically, drying to a salt pan in some years and flooding widely in others, drawing flamingo and pelican when it holds water.