[2] The lake is located 12 kilometers (7.5 mi) to the north of Kargat, the district capital.

[3] Kargan lies in the Baraba Lowland, West Siberian Plain and belongs to the Kargat river basin.

During floods the lake connects with river Kargat through the Obinek channel.

The lake has a larger round eastern part with a diameter of approximately 5 kilometers (3.1 mi) and a narrower and swampy projection stretching westwards for about 4 kilometers (2.5 mi).

The shores are gently sloping and covered in reeds and bulrushes.