The Rătășel 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 drainag ...

of the

Crișul Negru The Crișul Negru (Black Criș) (Romanian), ( hu, Fekete-Körös) is a river in western Romania (Transylvania) and south-eastern Hungary (Békés County). The river has its source in the western Apuseni Mountains. It flows through the towns Ștei ...

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, a ...

. It flows into the Crișul Negru near Tăut. Its length is and its basin size is .

References

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