| Pietrosu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Maramureş County |
| Source | Rodna Mountains |
| - location | Lake Iezer |
| - elevation | 1,825 m (5,988 ft) |
| Mouth | Vişeu |
| - location | Borşa |
| Official River Code | I.1.1.4 |
The Pietrosu River is a tributary of the Vişeu River in Romania.