The Ob River, also Ob', is a major river in western Siberia, Russia, and is the world's seventh-longest river. It forms at the confluence of the Biya and Katun Rivers which have their origins in the Altay Mountains. It is the westernmost of the three great Siberian rivers that flow into the Arctic Ocean.
The Kostroma is a river in the European part of Russia. It flows through the Kostroma and Yaroslavl Oblasts, and becomes a left tributary of the Volga, which it enters at the Gorky Reservoir, at the city of Kostroma, at 57°46′44″N40°53′55″E.
The Kama is a river 1,805 kilometres (1,122 mi) long in Russia. It is the longest left tributary of the Volga and the largest one in discharge. At their confluence, in fact, the Kama is even larger than the Volga.
The Northern Dvina is a river in northern Russia flowing through the Vologda Oblast and Arkhangelsk Oblast into the Dvina Bay of the White Sea. Along with the Pechora River to the east, it drains most of Northwest Russia into the Arctic Ocean. It should not be confused with Western Dvina.
The Klyazma River is a river in the Moscow, Nizhny Novgorod, Ivanovo and Vladimir Oblasts in Russia, a left tributary of the Oka River.
Unzha River, a river in the Vologda Oblast and Kostroma Oblast in Russia, a tributary of the Volga River. It is 426 kilometres (265 mi) long, and its basin covers 28,900 square kilometres (11,200 sq mi). The Unzha River begins at the confluence of the Kema River and the Lundonga River. It flows into the Unzhensky Cove of the Gorkovsky Reservoir. The Unzha River freezes up between October and December and stays under the ice until April or May. The main tributaries are the Viga, Neya, and the Mezha. The towns of Kologriv, Manturovo and Makaryev are along the Unzha River.
The Vyatka River is a river in Kirov Oblast and the Republic of Tatarstan in Russia, a right tributary of the Kama River. It is 1,314 kilometres (816 mi) long, and its drainage basin covers 129,000 square kilometres (50,000 sq mi).
The Msta is a river in Vyshnevolotsky, Udomelsky, and Bologovsky Districts of Tver Oblast and in Borovichsky, Okulovsky, Lyubytinsky, Malovishersky, Krestetsky, and Novgorodsky Districts, as well as in the town of Borovichi of Novgorod Oblast of Russia. It is a tributary of Lake Ilmen. It is 445 kilometres (277 mi) long, and the area of its basin 23,300 square kilometres (9,000 sq mi). The principal tributaries of the Msta are the Berezayka (left), the Uver (right), and the Kholova (left). The town of Borovichi and the urban-type settlement of Lyubytino are located on the banks of the Msta.
Turka is a city located at the confluence of the Stryi River and the Yablunka River in Lviv Oblast (region) of western Ukraine. It is the administrative center of Turka Raion. Population: 7,143 (2013 est.).
Sogozha is a river in Vologda and Yaroslavl Oblasts in Russia. It is 125 kilometres (78 mi) long, with a drainage basin of 2,950 square kilometres (1,140 sq mi).
Slavyanka is a river in Leningrad Oblast of Russia. It is a tributary of the Neva River, and it is 31 kilometres (19 mi) long, with a drainage basin of 230 square kilometres (89 sq mi).
Razdolnaya or Suifen is a river in People's Republic of China and Russia.
Veslyana River – is a river in Perm Krai and Komi Republic, Russia, a left tributary of the Kama River, which in turn is a tributary of the Volga River. It starts in the southeastern portion of Ust-Kulomsky District of the Komi Republic, about 7 kilometres (4 mi) from the border with Perm Krai. It flows through the Gaynsky District of Perm Krai and into the Kama River 1,193 kilometres (741 mi) from its mouth, 145 metres (476 ft) above sea level, near the rural locality of Ust-Veslyana. The river is 266 kilometres (165 mi) long, and the area of its drainage basin is 7,490 square kilometres (2,890 sq mi).
Saba is a river in Leningrad Oblast, Russia, a left tributary of Luga River. It is 90 kilometres (56 mi) long. The area of its drainage basin is 1,320 square kilometres (510 sq mi). Its origin is southwestern portion of Krashogorskoye Lake. Main tributaries include:
Savlek is a river in Perm Krai, Russia, a right tributary of the Turka River, which in turn is a tributary of the Iren River. The river is 17 kilometres (11 mi) long.
Byrma is a river in Perm Krai, Russia, a left tributary of the Turka River which in turn is a tributary of the Iren River. The river is 44 kilometres (27 mi) long.
Chyornaya Turka is a river in Perm Krai, Russia, a right tributary of the Turka River, which in turn is a tributary of the Iren River. The river is 18 kilometres (11 mi) long.
Bolshaya Gorevaya is a river in Perm Krai, Russia, a left tributary of Turka River which in turn is a tributary of Iren River. The river is 11 kilometres (7 mi) long.
Borynia is an urban-type settlement in Turka Raion, Lviv Oblast (region) of western Ukraine along the flow of the Stryi River. Remotely 145 kilometres (90 mi) from the city of Lviv, 106 kilometres (66 mi) from Uzhhorod, and 14 kilometres (8.7 mi) from Turka. Local government — Borynska settlement council. Population: 1,443 (2013 est.).
