Lake Kuchuk
Кучукское
Panorama of Lake Kuchuk
Lake Kuchuk Show map of Altai Krai Lake Kuchuk Show map of Russia
Location	West Siberian Plain
Coordinates	52°42′20″N 79°46′47″E / 52.70556°N 79.77972°E / 52.70556; 79.77972
Type	endorheic
Primary inflows	Kuchuk
Basin countries	Russia
Max. length	23 kilometers (14 mi)
Max. width	13 kilometers (8.1 mi)
Surface area	166 square kilometers (64 sq mi)
Average depth	2.3 meters (7 ft 7 in)
Max. depth	3.3 meters (11 ft)
Surface elevation	98.4 meters (323 ft)
Islands	None

Lake Kuchuk or Kuchukskoye (Russian: Кучукское озеро) is a bittern salt lake in the southern part of the West Siberian Plain, Blagoveshchensky District, Altai Krai, south-central Russia.^[1]

Its waters are briny, containing sodium sulphate.^[2] The northern end of the lake is connected by a channel with Lake Kulunda to the north.^[3]

Geography

Lake Kuchuk is the second largest lake in Altai Krai. It has an oval shape and is located 5 kilometers (3.1 mi) 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.^[4]