Seliger

Seliger (Russian: Селиге́р, IPA: [sʲɪlʲɪˈgʲer]) is a lake in Ostashkovsky District of Tver Oblast and (in the extreme northern part) in Demyansky District of Novgorod Oblast of Russia, in the northwest of the Valdai Hills, a part of the Volga basin. It has an absolute height of 205 metres (673 ft), an area of 212 square kilometres (82 mi), and an average depth of 5.8 metres (19 ft).

Lake Seliger is a large system of bodies of water linked by channels, has many small islands, and is surrounded by forests - including pine woods with many berries and mushrooms. It is one of the biggest natural lakes of Central Russia. The only outflow of the lake, the Selizharovka River, flows from the southern end of the lake and drains into the Volga after 36 kilometres (22 mi). The drainage basin of the lake includes the major part of Ostashkovsky District, the south of Demyansky District, as well as minor areas in the Firovsky District of Tver Oblast.