Tsna River (Tver Oblast)
| Tsna River (Mstino Lake basin) | |
|---|---|
 |
|
| Country | Russia |
| Basin features | |
| Main source | Valdai Hills |
| River mouth | Lake Mstino |
| Basin size | 4,140 km2 (1,600 sq mi) |
| Physical characteristics | |
| Length | 160 km (99 mi) |
| Discharge |
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Coordinates: 57°31′46.7″N 34°22′5.9″E / 57.529639°N 34.368306°E
The Tsna (Russian: Цна) is a river in Kuvshinovsky, Ostashkovsky, Firovsky, and Vyshnevolotsky Districts of Tver Oblast of Russia. It is a tributary of Lake Mstino (technically, of Vyshny Volochyok Reservoir) and belongs to the drainage basin of the Neva and the Baltic Sea. It is 160 kilometres (99 mi) long, and the area of its basin 4,140 square kilometres (1,600 sq mi). The principal tributary of the Tsna is the Belaya River (right). The source of the Tsna is located close to the drainage divide between Neva and Volga (Caspian Sea) drainage basins, and Tsna used to be an important trade route in the Middle Ages. The town of Vyshny Volochyok and the urban-type settlement of Velikooktyabrsky are located on the banks of the Tsna.
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