The Prorva is a small river in Braslaw District, Vitebsk Region,

Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...

, a

left tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage b ...

of the Drysvyata, which is a tributary of the Dysna ( Daugava basin). It flows for 12 km from the

Lake Drysvyaty A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...

by the village Drysvyaty, close to the former outlet of the river Drysvyata.River Prorva
In 1953 a local hydroelectric plant "Friendship of Peoples" was constructed by the river. To feed it better, the outlet of the Drysvyata from Lake Drysvyaty was dammed for the whole northern discharge of the lake to go into Prorva.

References

Rivers of Vitebsk Region Rivers of Belarus Tributaries of the Dysna {{Belarus-river-stub