Tvertsa River (Тверца in Russian) is a river in the Tver Oblast in Russia. It is a left tributary of the Volga River. The length of the river is 188 km. The area of its basin is 6510 sq km. The Starotveretsky canal (2,9 km in length) is considered Tvertsa's riverhead, which connects the river with the Vishnevolotskoye Reservoir. The latter drains up to 80% of its water from the Tsna River into the Tvertsa. The Tvertsa River freezes up in November - early January and stays under the ice until late March - April. The cities of Torzhok and Tver are located on the Tvertsa River. Jump to: navigation, search The Murray River in Australia. ... Tver Oblast (Russian: Тверска́я о́бласть) is a federal subject of Russia (an oblast). ... A tributary (or affluent or confluent) is a contributory stream, a river that does not reach the sea, but joins another major river (a parent river), to which it contributes its waters, swelling its discharge. ... Volga in Yaroslavl (autumn morning) Length 3,690 km Elevation of the source 225 m Average discharge 8,000 m³/s Area watershed 1. ... A kilometre (American spelling: kilometer), symbol: km is a unit of length in the metric system equal to 1000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... Basin has several meanings: A watershed, which may be called also a hydrological basin or catchment basin. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... Riverhead may refer to: Riverhead, New York Riverhead (town), New York Riverhead (CDP), New York This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Tsna (Цна) is a river in Russia, a left tributary of the Moksha River. ... Jump to: navigation, search For other uses, see November (disambiguation). ... Jump to: navigation, search January, from the Très riches heures du duc de Berry January is the first month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... Jump to: navigation, search March is the third month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... Jump to: navigation, search April is the fourth month of the year in the Gregorian Calendar and one of four with the length of 30 days. ... Torzhok (Торжок in Russian) is a town in the Tver Oblast in Russia. ... Tvers coat of arms depicts grand ducal crown placed on a throne. ...