Lake Yonozero
Lake Yonozero is a large freshwater lake on the Kola Peninsula, Murmansk Oblast, Russia. It has an area of . Numerous small, uninhabited islands are found in the lake. Varzina River flows from the lake. Lake Yonozero marks the northern border of the Murmansk Tundra Reserve. The three-spined stickleback can be found in the lake, as well as in other surrounding lakes and rivers in eastern Murman.