The Topa 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 drainage ...

of the river Holod 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 flows into the Holod near Copăceni.Topa (jud. Bihor)
e-calauza.ro Its length is and its basin size is .

Tributaries

The following rivers are tributaries to the Topa: *Left: Miniș, Poiana, Rogoazele,

Vârciorog Vârciorog ( hu, Vércsorog) is a commune in Bihor County, Crișana, Romania. It is composed of four villages: Fâșca (''Várfancsika''), Surducel (''Kisszurdok''), Șerghiș (''Serges''), and Vârciorog. The commune is located in the central pa ...

, Valea Copilului,

Valea lui Vasile The Valea lui Vasile is a left tributary of the river Topa 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 bo ...

*Right: Valea Codrului, Pietroasa, Valea Mare, Cârpeștii Mici, Valea Florii

References

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