Dnepr River

Dnepr River, or Dnieper River, river in Russia, Byelarussia and Ukraine, about 1,400 mi (2,253 km) long, navigable for nearly its whole length. Rising in the Valdai Hills, it flows in a southwestern direction to empty in the Black Sea east of Odessa. Leading tributaries are the Desna, Pripyat, Berezina, and Sozh. It is a major water transport route and also has many hydroelectric plants.