| Cachapoal River | |
|---|---|
| Mouth | Rapel Lake |
| Basin countries | Chile |
| Length | 250 km |
| Avg. discharge | 92.3 m³/s |
| Basin area | 6,370 km² |
Cachapoal River is tibutary river of the Rapel River in Chile located in the O'Higgins Region. The river gives its name to the Cachapoal Province.