| Udroaia River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Braşov County |
| Source | Postăvarul Massif |
| - elevation | 904 m (2,966 ft) |
| - coordinates | |
| Mouth | Valea Boaru |
| - elevation | 754 m (2,474 ft) |
| - coordinates | |
The Udroaia River is a headwater of the Valea Boaru River in Romania.