Guanajibo River
| Guanajibo River | |
|---|---|
Guanajibo River in Cabo Rojo  | |
| Native name | Río Guanajibo (Spanish) | 
| Location | |
| Commonwealth | Puerto Rico | 
| Municipality | Hormigueros, Cabo Rojo, Mayagüez, San Germán, and Sabana Grande | 
| Physical characteristics | |
| Source | |
| • coordinates | 18°10′06″N 67°10′51″W / 18.1682894°N 67.1807356°W | 
| Length | 19 mi (31 km) | 
The Guanajibo River (Spanish: Río Guanajibo) is a river that runs through Hormigueros, Cabo Rojo, Mayagüez, San Germán, and Sabana Grande in Puerto Rico.