Located in the Main Ethiopian Rift, it is at an elevation of 1,110 meters.

The Chamo lake is just to the south of Lake Abaya and the city of Arba Minch, east of the Guge Mountains, and west of the Amaro Mountains.

Lake Chamo's northern end lies in the Nechisar National Park.

[1][2] Other sources locate it on an elevation of 1,235 meters with a length of 26 km a widths of 22 km an area of 551 square kilometers a catchment of 2220 square kilometers and a maximum depth of 10 meters.

[4] Oscar Neumann, exploring the area in 1901, found a dry channel connecting Lake Chamo to the Sagan River, which led him to conclude the lake contributes to the Sagan in years of heavy rainfall.