40 kilometers (25 mi) to the west lies lake Ulken-Karoy.

[3] There are periodic deposits of salt on its shores, with extraction taking place in the summer.

[4] Teke is an endorheic lake located at the bottom of a depression in the southern part of the Ishim Plain, south of the Russian border.

Lake Teke is surrounded by salt flats and a wide strip of solonchak soil.

[5] The Taldysay and Tleusai are the main rivers flowing into the lake.