he forest lake is located within the city of Kaliningrad, between settlements such as Pervomaysky and Severnaya Gora, the Leningrad district of the Kaliningrad region.

Lake Forest has an L-shaped. Its length is 0.03 square kilometers, the width is up to 0.12 square kilometers, the depth is up to 3.5 meters, the mirror area of ​​water is 0.03 square kilometers. Forest lake of artificial origin. It is located on the territory of the old German park, Max Aschmann. In 1910 a park was laid out in the northern part of Kaliningrad, and a lake was dug in the center.

Today, Lesnoe Lake has a sandy bottom and is silted on the main part, in some places concrete has been exposed. The western bank of the reservoir is marshy and reedy, in the south-western part there is an equipped beach with a gentle sandy bottom. The hill that covers tree-shrub vegetation and which was formerly called Rodelberg rises to the east side of the reservoir. The forest lake is replenished by precipitation in the form of rain and snow, but in summer the water level drops to 0.3 meters. Lines, crucians, as well as swans and gray ducks nest in this lake.