Located in Nakuru County, Lake Naivasha is a large freshwater lake which sits just outside the town of Naivasha. Situated at an elevation of 1,884m, Lake Naivasha is the highest lake within the Great Rift Valley. With a surface area of 139km², Lake Naivasha dominates the landscape, and it is surrounded by a swamp which covers an area of around 64km². Beyond the swampland, the lake is encircled by forests of the fever tree. Lake Naivasha’s surface area depends on rainfall and the lake dried up completely in the early c.20th.