Lake Brosno is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 situated in the European part of Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

, in the Tver

Tver

Tver is a city and the administrative center of Tver Oblast, Russia. Population: 403,726 ; 408,903 ;...

 region, near the town of Andreapol

Andreapol

Andreapol is a town and the administrative center of Andreapolsky District of Tver Oblast, Russia, located in the upper reaches of the Western Dvina River, west of Moscow, on the Valdai Hills...

. It is the place where the Brosno dragon

Brosno dragon

The Brosno Dragon, also known as Brosnya, is the name given to a lake monster which is said to inhabit Lake Brosno, near Andreapol in West Russia. It is described as resembling a dragon or dinosaur, and is the subject of a number of regional legends, some which are said to date back to the 13th...

is supposed to live. The lake's depth is about 43 meters (140 feet) at its deepest point, and it has a sunken church on the western part of it. Strangely, the lake carries burbot and perch, two species of saltwater fish.