| Pietrosu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Maramureș County |
| Source | Rodna Mountains |
| - elevation | 1,825 m (5,988 ft) |
| Mouth | Vișeu |
| - location | Borșa |
| - coordinates | 47°39′13″N 24°40′06″E / 47.6535°N 24.6682°ECoordinates: 47°39′13″N 24°40′06″E / 47.6535°N 24.6682°E |
| Progression | Vișeu→ Tisza→ Danube→ Black Sea |
The Pietrosu River is a left tributary of the river Vișeu in Romania. It discharges into the Vișeu in Borșa.