Calapooia River
| Class | II |
| State | Oregon |
| Drainage | Willamette |
| Region | Middle Willamette |
| Season | Nov-Mar |
| Length | 10 mi |
| Gradient | 18 ft/mi |
| Elevation Loss | 180 ft |
| Scenery | rural/agriculture |
| Remoteness | Not Very Remote |
| Nature | Pool Drop-Continous |
| Optimal Flow | 500 CFS |
| High Flow | 1,200 CFS |
| Low Flow | 300 CFS |
| Okay Flow | 300 CFS – 1,200 CFS |