 It is located at an elevation of above sea level and is long and wide.Maximal depth of the lake is only , while average depth is around .The lake area varies from 2.5 to 6 km2, and the average depth is about 1.9 m.

Blidinje lake is direct result of a glacial retreat, however, according to the Poklečani parochial office documents and recent research into matter of karst hydrology of the plateau, the lake is, also, a product of anthropogenic intervention and activities of human inhabitants.