Lake Kari is on Mount Aragats. The altitude is 3402m above sea level; the surface area is 0,12 sq/m; the depth is 9m. It is possible to reach Kari Lake from Byurakan by highway. There is a meteorological station, equipped on the eastern coast of the lake.
The climate of Aragats depends on the altitude. From the foot of the mount up to the peak the temperature varies from 10°C to -3°C, precipitations -900– 300 mm and more. In summer the weather is mild and warm, in winter it is rather cold. The territory is rich in flora and fauna.
The lake is surrounded by snow almost all the year round. The river Arkashen starts from Kari Lake.