Lake Drūkšiai or Lake Drysviaty (lietuvių. Drūkšiai, беларуская. Дрысвяты, Шаблон:IPA2) is a lake located in the northeast of Lithuania and Vitebsk Voblast, Belarus. The lake supports the Ignalina Nuclear Power Plant.
The biggest depth of the lake is 33.3 m, and average is 7.6 m. The channel of the lake was formed during the movement of the glaciers by two perpendicular runways, which were extended from the north to the south and from the west to the east. Maximum depth of the first runway was 29 m, and second one - 33.3 m. The largest depths are located in the middle of the lake. The most shallow water is on the south ridge of the lake, the depth of which does not exceed 3 to 7 m.
