Lake Dolgoe is located in the Vitebsk district of the Vitebsk region, 19 km southeast of the city of Vitebsk, near the village of Zazyby-Lyubashkovskie and belongs to the basin of the Luchesa river (left tributary of the Zapadnaya Dvina river). The terrain is predominantly ridge-hilly, mostly overgrown with forest and shrubs, in places marshy. The surrounding forests are rich in strawberries, raspberries and lingonberries. The shores are sandy, mostly high, overgrown with bushes, in places with sparse forests. Grows moderately. In the west, a stream flows into the river. Luchesa. In the south-west, it is connected by a stream with the lake. Domanovskoe. The lake is inhabited by perch, roach, bream, pike, tench, crucian carp.