Khar-Us Lake

Khar-Us Lake (Mongolian:, "lit." "black water lake") is a lake in western Mongolia in the Great Lakes Depression. It is the upper one in a system of the interconnected lakes: Khar-Us, Khar, Dörgön, Airag and Khyargas. The lake is located in Har Us Nuur National Park.
Its area value (1,852 km²) includes the island "Agbash" (or "Ak-Bashi", "white head") area (274 km²), so the water surface area is 1,578 km² only.
Some sources are using different Khar-Us Lake Lake statistics values: 
Primary inflow is the Khovd River, which creates a large river delta.
So called Genghis Khan's wall runs along the western shore of the Khar-Us Lake. It is possible to find it at the Google Map and Google Earth satellite maps .