It is located in the eastern part of the country on the territory of Rēzekne Municipality, the water area of the lake is divided between Kaunatas, Mākoņkalna and Čornajas parishes.

[1][4] It is located in the central part of the Latgale Upland at an altitude of 163.3 m (536 ft) above sea level.

[5] In the late 80s - early 90s, the Committee for Environmental Protection drew attention to the deterioration of the ecological state of the lake.

In 1999, funds were allocated for a project to create a nature park based on the lake.

In 2001, local governments signed a protocol proposing the creation of the Rāzna National Park.