The Șucu (in its upper course also: ''Șuculețu'') 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

Bistra Mărului The Bistra Mărului is a left tributary of the river Bistra in Romania. It discharges into the Bistra in Oțelu Roșu Oțelu Roșu (, lit. (the) “Red Steel”; formerly ''Ferdinand''; ; ) is a town in northeastern Caraș-Severin County, Rom ...

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 flows into the Bistra Mărului in

Poiana Mărului Poiana Mărului (; ) is a commune in Brașov County, Transylvania, Romania. It is composed of a single village of the same name. The commune is located in the central-south part of the county, in a hilly area north of the Piatra Craiului Mountain ...

.Sucu (jud. Caras Severin)
e-calauza.ro Its length is and its basin size is .

References

Rivers of Romania Rivers of Caraș-Severin County {{CarașSeverin-river-stub