Gorkoye (Russian: Горькое),[1] also known as "Chernokurynskoye" and "Gorkoye Bolshoye",[2] is a salt lake in Mamontovsky, Novichikhinsky and Romanovsky districts, Altai Krai, Russian Federation.

The nearest towns are Mormyshi close to the lakeshore, Buranovka to the west and Guseletovo near the northern end.

[1] With a length of 47 kilometers (29 mi), Gorkoye is one of the longest lakes in Altai Krai.

It lies in one of the wide ravines of glacial origin that cut diagonally across the Ob Plateau, upstream from the sources of the Kasmala river.

The lake has an elongated shape, stretching roughly from northeast to southwest with a northern section reaching a width of almost 5 kilometers (3.1 mi) and a very narrow southern section.