Fortescue River
| Fortescue River | |
|---|---|
| Ophthalmia Dam, Fortescue River | |
| Location | |
| Country | Australia | 
| Physical characteristics | |
| Source | |
| • location | Ophthalmia Range | 
| • elevation | 602 metres (1,975 ft) | 
| Mouth | |
|  • location | Indian Ocean | 
| Length | 760 kilometres (472 mi) | 
| Basin size | 49,759 square kilometres (19,212 sq mi) | 
| Discharge | |
| • average | 391 GL/a (12.4 m3/s; 438 cu ft/s) (mean) | 
The Fortescue River is an ephemeral river in the Pilbara region of Western Australia. It is the third longest river in the state.