The Russia-Kazakhstan border lies 37 kilometers (23 mi) to the southwest.

The nearest inhabited places are Novopoltava, located by the southern end, and Petrovka, near the western shore.

Klyuchi, the district capital, lies 22 kilometers (14 mi) to the southwest.

[2] The Klyuchevskoye deposit of underground industrial waters is located in the area of the Krivaya Puchina and Tolubay lakes.

[3] Located in the Kulunda Plain, Krivaya Puchina has an elongated shape.