Lake Kari is situated in Aragatsotn province on Mount Aragats. The Altitude is 3402 m; the surface area is 0,12 sq.m; the depth is 9 m. It is possible to reach Kari Lake from Byurakan by highway.
The lake appeared from ice formations. It is surrounded by snow most of the time and that is why water is rather cold. The river Arkashen starts from Kari Lake. There is a Cosmic ray research station, established by brothers Alikhanyans in 1942.