Lake Topozero

Lake Topozero (Топозеро, Tuoppajärvi) is a large freshwater lake in the Republic of Karelia, northwestern part of Russia. It has an area of 986 km2 long, and a drainage basin of 3530 km2. It is 75.3 km long and 30.3 km wide. Maximum depth is about 50 m. There are more than 100 islands on the lake. Topozero is used for fishery and timber rafting. Its primary outflow is the Kovda, which is also called Sofyanga in its first stretch from Lake Topozero to Lake Pyaozero. The Kovda flows to the White Sea.