Tsivil
The Great Tsivil or simply Tsivil, is a river in Chuvashia, Russian Federation, a right tributary of the Volga in its lower course. The Tsivil is long, and its watershed area is. Near Tsivilsk is the Little Tsivil, which joins the Great Tsivil, forming the river Tsivil; said river flows into the Volga near Novocheboksarsk. Other major tributaries are the Unga and Kuganar. Tsivil's yearly runoff volume is.