Rivers of Smolensk Oblast

The Dnieper or Dnepr ( ), also called the Dnipro, is one of the major transboundary rivers of Europe, rising in the Valdai Hills near Smolensk, Russia, before flowing through Belarus and Ukraine to the Black Sea. Approximately long, with a drainage basin of , it is the longest river of Ukraine and Belarus and the fourth-longest river in Europe, after the Volga, Danube, and Ural rivers.

The Daugava ( ), also known as the Western Dvina or the Väina River, is a large river rising in the Valdai Hills of Russia that flows through Belarus and Latvia into the Gulf of Riga of the Baltic Sea. The Daugava rises close to the source of the Volga. It is in length, of which are in Latvia and in Russia. It is a westward-flowing river, tracing out a great south-bending curve as it passes through northern Belarus.

river in Russia, Moscow region

river in Ukraine and Russia

right|300px|thumb|Belarus River Map

river in Smolensk and Kaluga Oblasts, Russia

The Kasplya (Belarusian and ) is a river in Smolensky, Demidovsky, and Rudnyansky Districts of Smolensk Oblast of Russia and in Vitebsk Region of northern Belarus. It is a major left-bank tributary of the Daugava. Of its total length of , the first are in Russia, and the rest in Belarus. It joins the Daugava in the urban-type settlement of Surazh. The town of Demidov is situated on the Kasplya.

The Vazuza (), a river in the Novoduginsky and Sychyovsky districts of Smolensk Oblast and in the Zubtsovsky District of Tver Oblast, Russia, becomes a right tributary of the Volga. It is long, and its drainage basin covers . Soviet engineers flooded the lower part of the river to form the Vazuza Reservoir. The towns of Sychyovka and Zubtsov are located on the banks the Vazuza (the latter at its confluence with the Volga). The main tributaries of the Vazuza are the Kasnya, the Gzhat (both right), the Losmina and the Osuga (left).

river in Belarus and Russia

The Besed or Biesiedź (; ) is a river of Belarus (Mogilev Region and Gomel Region) and Russia (Smolensk Oblast and Bryansk Oblast). It is a left-bank tributary of the Sozh River in the Dnieper basin. The Besed is long, and has a drainage basin of .

river in Smolensk and Tver Oblasts, Russia

river in Smolensk Oblast, Russia

river in Smolensk Oblast, Russia

The Ostyor (), or Ascior () is a river in Pochinkovsky, Roslavlsky, and Shumyachsky Districts of Smolensk Oblast in Russia and in Klimavichy and Krychaw Districts of Mogilev Region of Belarus. It is a left tributary of the Sozh. The Ostyor is long, and has a basin. The town of Roslavl is located on the left bank of the Ostyor. The lower course of the Ostyor marks the state border between Russia and Belarus.

The Obsha () is a river in Sychyovsky District of Smolensk Oblast and Oleninsky, Belsky, and Zharkovsky Districts of Tver Oblasts, Russia. It is a left tributary of the Mezha (Western Dvina basin). The Obsha is long, and the area of its basin . The town of Bely is located on the banks of the Obsha.

The Vikhra (), or Vichra () is a river in Smolensky, Krasninsky, and Monastyrshchinsky Districts of Smolensk Oblast, Russia, and Mstsislaw District of Mogilev Region, Belarus. A right tributary of the Sozh, the Vikhra flows through Monastyrshchinsky District and is long. The urban-type settlement of Monastyrshchina is located on the banks of the Vikhra. The Battle of the Vikhra River occurred in the area.

The Gzhat () is a river in Smolensk Oblast, Russia. It is 113 km long, with a drainage basin of 2370 km². It is a right tributary of the Vazuza. The town of Gagarin lies by the Gzhat.

river in Smolensk and Tver Oblasts, Russia

The Myareya (), alternative transliteration Miareja, or Mereya () is a river in Belarus and Russia. It is a left tributary of the Dnieper. It is 67 kilometres long, runs in a north-north east direction, and partly runs along the border of the two countries.

river in Kaluga, Smolensk, and Moscow Oblasts, Russia

The Khmost () is a river in Dukhovshchinsky, Smolensky, and Kardymovsky Districts of Smolensk Oblast, Russia, a right tributary of the Dnieper. The length of the river is , and the area of its drainage basin is . The settlement of Kardymovo is located near the river mouth.

The Losmina () is a river in Smolensk Oblast, Russia, a left tributary of the Vazuza. It is long, and has a drainage basin of .