Middle Santiam River
| Class | IV |
| State | Oregon |
| Drainage | Willamette |
| Region | Middle Willamette |
| Gauge | Green Peter Dam |
| Season | Jan-Dec |
| Length | 2 mi |
| Gradient | 36 ft/mi |
| Elevation Loss | 90 ft |
| Scenery | canyon |
| Features | dam release |
| Remoteness | Not Very Remote |
| Nature | Pool Drop |
| Optimal Flow | 2,000 CFS |
| High Flow | 4,000 CFS |
| Low Flow | 2,000 CFS |
| Okay Flow | 2,000 CFS – 4,000 CFS |
Data Sources
| Calculation — GPR | http://www.nwd-wc.usace.army.mil/ftppub/project_data/hourly/gpr_0daysback.txt |