Lake Pervishchenskoye is located in the Gorodok district of the Vitebsk region, 6 km south-west of the town of Gorodok, near the village of Voronovo and belongs to the basin of the Luzhesnyanka river, which flows through the lake. Lake Glubokoe is located in the Gorodok district of the Vitebsk region, 6 km south-west of the town of Gorodok, near the village of Malye Staiki and belongs to the basin of the r. Rattle. The terrain is ridge-hilly, with small forests, plantings and copses, in places swampy. The northern extremity of the lake is surrounded by a narrow swampy floodplain, to which a waterlogged meadow adjoins.