| Frasinu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Neamţ County |
| Source | |
| - location | Tarcău Mountains |
| - elevation | 1,290 m (4,232 ft) |
| - coordinates | |
| Mouth | Tarcău |
| - location | Upstream of Tarcău |
| - elevation | 419 m (1,375 ft) |
| - coordinates | |
The Frasinu River is a tributary of the Tarcău River in Romania.