The Valea Boului (also known as ''Bătrâna'') 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 Buzău 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 Buzău in

Vișani Vișani is a commune in Brăila County, Muntenia, Romania. It is composed of three villages: Câineni-Băi, Plăsoiu and Vișani. References

Communes in Brăila County Localities in Muntenia {{Brăila-geo-stub ...

.Paraul Boului (jud. Braila)
e-calauza.ro Its length is and its basin size is . It flows through Lake Jirlău.

References

Rivers of Romania Rivers of Brăila County Rivers of Buzău County {{Buzău-river-stub