The Negraș is a left

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''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 into which they ...

of the river Doftana in

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

. 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, ...

. Its length is and its basin size is .

References

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