The Asău 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

Trotuș The Trotuș () is a river in eastern Romania, a right tributary of the river Siret. It emerges from the Ciuc Mountains in the Eastern Carpathians and joins the Siret in Domnești-Sat near Adjud after passing through Comănești and Onești in Ba ...

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 ...

. Its source is located in the

Tarcău Mountains The Tarcău Mountains (, ) are a mountain range, part of the Moldavian-Muntenian Carpathians of the Outer Eastern Carpathians. The range is located between the latitudes 46°25′ and 46°57′ N and between the longitudes 25°52′ and 26°28 ...

. It discharges into the Trotuș in the village Asău, near Comănești.Asau (jud. Bacau)
e-calauza.ro Its length is and its basin size is .

Tributaries

The following rivers are tributaries to the river Asău (from source to mouth): *Left: Asăul Mic, Geamănele Mari, Izvorul Negru, Rugina, Rășcoiu, Păltiniș, Izvorul Alb, Pârâul Tulbure *Right: Preotese, Cetățeni, Pârâul Caprei, Pârâul lui Iacob, Agăstin, Barta, Chicera

References

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