Lake Eyasi (formerly German: Njarasasee, "Njarasa Lake", and Hohenlohesee, "Hohenlohe Lake") is a seasonal shallow endorheic salt lake on the floor of the Great Rift Valley at the base of the Serengeti Plateau, just south of the Serengeti National Park and immediately southwest of the Ngorongoro Crater in the Crater Highlands of Tanzania.