The lake drains through the river Lieksanjoki that flows into the lake Pielinen in Northern Karelia, Finland. These lakes are part of the Vuoksi River basin in Finland and Russia, which in turn is part of the Neva River basin in Russia.
This lake is drained by the river Lieksanjoki that flows into the lake Pielinen in Northern Karelia, Finland. These lakes are part of a larger hydrological system that includes the Vuoksi River basin in Finland and Russia, which also connects to the Neva River basin in Russia.