The Cumpăna is a right

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 drai ...

of the river Argeș in

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, and ...

. It discharges into

Lake Vidraru Lake Vidraru ( ro, Lacul Vidraru) is an artificial lake in Romania. It was created in 1965 by the construction of the Vidraru Dam on the Argeș River. It lies in the shadow of the Făgăraș Mountains. . Vidraru Lake is a reservoir lake create ...

, which is drained by the Argeș. Its length is and its basin size is .

References

Rivers of Romania Rivers of Argeș County {{Argeș-river-stub