| Lake Usvyaty | |
| Location: | Pskov Oblast, Russia |
| Coords: | 55.7529°N 30.6997°W |
| Pushpin Map: | Russia Pskov Oblast |
| Pushpin Map Caption: | Location of Lake Usvyaty in Pskov Oblast |
| Inflow: | Usvyacha River |
| Outflow: | Usvyacha River |
| Basin Countries: | Russia |
| Area: | 6.99km2 |
| Depth: | 1.4m (04.6feet) |
| Max-Depth: | 3.6m (11.8feet) |
| Volume: | 1.9km3 |
| Elevation: | 144m (472feet) |
Lake Usvyaty [1] is a lake in the Usvyatsky volost of the Ussvyaty Rayon of the Pskov Oblast, Russia. It has a water surface of 6.99 km² (699.0 ha) and a total surface, including islands of 7.03 km² (703.0 ha). The maximum depth of the lake is 3.6 m and the average depth is 1.4 m.[2] [3]
On the shore of the lake there is the settlement Usvyaty and the villages of Bondarvo, Dvoreets, Molitvino.
The Ussycha River crosses the lake, flowing from north to south-west. The river is part of the Daugava (Western Dvina) river basin .
Type of lake is bream-roach with a glue and pike perch. Mass species of fish: bream, pike perch, pike, roach, perch, gusher, rudd, ruff, glue, sink, burbot, crucian, tench, ide, loach, pinworm.[2]
For the lake is characteristic: in the littoral - silt, peat, sand, silted sand, in the center - silt, local frosts, in the coastal zone - meadows, swamps, wetlands [2]