The Negrișoara is 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 drai ...

of the river Plapcea 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 flows into the Plapcea near

Potcoava Potcoava is a town in Olt County, Muntenia, Romania. The town administers four villages: Potcoava-Fălcoeni, Sinești, Trufinești and Valea Merilor. The town is located in the northeastern part of the county, east of the county seat, Slatina, ...

.Negreni / Negrisoara (jud. Olt)
e-calauza.ro Its length is and its basin size is .

References

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