| Mesteacănu River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Sibiu County |
| Source | |
| - location | Lotru Mountains, Mount Pleaşa |
| - elevation | 736 m (2,415 ft) |
| - coordinates | |
| Mouth | Sadu |
| - elevation | 506 m (1,660 ft) |
| - coordinates | |
The Mesteacănu River is a tributary of the Sadu River in Romania.