Lake Kuchuk

Lake Kuchuk or Kuchukskoye (Кучукское озеро) is a bittern salt lake in the southern part of the West Siberian Plain, Blagoveshchensky District, Altai Krai, south-central Russia.

Its waters are briny, containing sodium sulphate. The northern end of the lake is connected by a channel with Lake Kulunda to the north.

Geography
Lake Kuchuk is the second largest lake in Altai Krai. It has an oval shape and is located 5 km to the south of Lake Kulunda in the eastern side of the Kulunda Plain, near the western limit of the Ob Plateau. The Kuchuk river flows into the eastern shore of the lake. Lake Mostovoye lies 72 km to the northeast.