The Great Tsivil or simply Tsivil (also spelled Tzivil and Civil ), 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 .«Река БОЛЬШОЙ ЦИВИЛЬ», Russian State Water Registry 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 .
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