The Vâlsan 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 drainage ...

of the river Argeș 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 discharges into the Argeș near

Merișani Merișani is a commune in Argeș County, Muntenia, Romania. It is composed of nine villages: Borlești, Brăteasca, Capu Piscului, Crâmpotani, Dobrogostea, Malu Vânăt, Merișani, Vărzaru and Vâlcelele. History Humans have inhabited the are ...

.Valsan (jud. Arges)
e-calauza.ro Its length is and its basin size is . The Vâlsan originates in the

Făgăraș Mountains The Făgăraș Mountains ( ro, Munții Făgărașului ; hu, Fogarasi-havasok) are the highest mountains of the Southern Carpathians, in Romania. Geography The mountain range is situated in the heart of Romania, at . The range is bordered in the ...

, where its source is a trough-shaped glacial hollow located between the Picuiata and Scărișoara Mare mountains. The river flows for a mere 84.6 kilometers. Its course runs parallel to the Argeș River. The Vâlsan River's mouth is located at Merișani. In 1967 the Vâlsan's course was altered significantly by the construction of a reservoir and a hydroelectric plant.

Tributaries

The following rivers are tributaries to the river Vâlsan (from source to mouth): *Left tributaries: Zănoguța, Dobroneagu, Râul Cheii *Right tributaries: Izvorul Dimei, Izvorul Popii, Robaia, Valea Părului, Șoptana,

Toplița Toplița (; hu, Maroshévíz, ) is a municipality in Harghita County, Transylvania, Romania. The settlement has had multiple name changes: ''Taplócza'', ''Toplicza'', ''Gyergyó-Toplicza'', from February 3, 1861 ''Oláh-Toplicza'', or "Romani ...

, Bunești

Haven for a Fish Species

The Vâlsan, although a minor river in comparison to other European rivers, is of vital importance. This is because it is one of the few rivers that supports the fish species ''

Romanichthys valsanicola ''Romanichthys'' is a genus of ray-finned fish, one of two genera in the tribe Romanichthyini, which along with the tribe Luciopercini, forms the subfamily Luciopercinae of the family Percidae, alongside the perches, ruffes, and darters. Th ...

''. This species is endemic to Romania and the

Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...

basin. The species is regarded the most endangered species of European ichthyofauna given its small habitat range and low surviving numbers.

References

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