| Valea Căşăriei River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Prahova County |
| Source | |
| - location | Bucegi Mountains, Plaiul Căşăriei |
| - elevation | 1,384 m (4,541 ft) |
| - coordinates | |
| Mouth | Prahova |
| - location | Sinaia |
| - elevation | 795 m (2,608 ft) |
| - coordinates | |
The Valea Căşăriei River is a tributary of the Prahova River in Romania.