Yenisei River is large river in Siberia that drains into the Kara Sea, on the Arctic Ocean.
The Trans-Siberia Railway crosses the River at Krasnoyarsk.
The river has large hydro-electic dams on it, and is a route for riverine cargo vessels.
Lake Baikal drains into the Yenisei River. Lake Baikal is the deepest lake in the world; and the fresh-water lake with the greatest volume, is a lake with an unique ecosystem.