It belongs to the number of small but deep lakes. Coastline is low made by three bands of cost banks (up to 2 meters high). In the northern part a wide channel connects it with Lake Voloso Severny from where the stream flows into Lake Snudy and further, through the lake system into the river Druika.
The chromaticity is low (from 5 to 10 degrees), water transparency is 7-11 meters, containing not significant amount of biogenic elements with the low level of oxidability. Lake Uznoe Voloso has the significant attributes of oligotrophy.
Currently in the lake there are 15 fish species: bream, pike, eel, perch, roach, white bream, tench, golden crucian, burbot, vendace, snetok, rudd. One of them is introduced – eel. Two species that inhabit the lake is registered in the Red book of the Republic of Belarus – vendace, snetok.
Located 10 km. north-west from Braslav, 1 km. south-west from Leoski village.
|Volume||15,07 million m3|
|Max/average depth||40,4 m / 12,5 m|
|Max/average width||0,7 km / 0,48 km|