Varduva
Varduva is a river in northwestern Lithuania. Its length is. It is a left tributary of Venta; their confluence is on the Lithuania–Latvia border. Its origins and upper reaches are located within the Žemaitija [National Park]. Its largest tributary is Sruoja. Larger settlements situated near Varduva include Žemaičių Kalvarija, Seda, Renavas, Ukrinai. Varduva has five small hydroelectric power plants: Kulšėnai, Ukrinai, Vadagiai, Juodeikiai, Renavas. The largest of these plants in Juodeikiai produced 2.99 GWh of electricity in 2010.