The Negraș 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 drainage ...

of the river Doftana in

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

. It discharges into the Doftana in

Trăisteni Valea Doftanei (Romanian for "Valley of the Doftana") is a commune in Prahova County, Muntenia, Romania. It is composed of two villages: Teșila (the commune centre) and Trăisteni. The commune is located in the northern part of Prahova County, b ...

. Its length is and its basin size is .

References

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