- average 20 m/s (706 cu ft/s) Discharge 20 m³/s Country Russia | Length 36 km Basin area 2,950 km² Mouths Volga River, Selizharovo | |
 | ||
- location Valdai Hills, Tver Oblast - location Selizharovo, Tver Oblast Sources Valdai Hills, Lake Seliger | ||
Selizharovka (Russian: Селижа́ровка) is a river in Ostashkovsky and Selizharovsky Districts of Tver Oblast, Russia, a left tributary of the Volga River. The length of the river is 36 kilometres (22 mi), and the area of its drainage basin is 2,950 square kilometres (1,140 sq mi). It is one of the uppermost substantial tributaries of the Volga. The settlement of Selizharovo is located near the river mouth.
Map of r. Selizharovka, Tver Oblast, Russia
The Selizharovka is the only outflow of Lake Seliger, the biggest natural lake of the Upper Volga basin. It starts at the southern corner of the lake, at the village of Nizhniye Kotitsy. It flows southeast, crosses into Selizharovsky District, and koins the Volga at the urban-type settlement of Selizharovo.
The drainage basin of the Selizharovka includes the major part of Ostashkovsky District, south of Demyansky District of Novgorod Oblast, as well as minor areas in Firovsky District of Tver Oblast.