Grande Ronde River
| Class | I |
| State | Oregon |
| Drainage | Snake |
| Region | Central Oregon |
| Gauge | La Grande |
| Season | Mar-Jun |
| Length | 32 mi |
| Gradient | 4 ft/mi |
| Elevation Loss | 128 ft |
| Scenery | agriculture |
| Features | wildlife |
| Remoteness | Not Remote |
| Nature | Continous |
| Optimal Flow | 800 CFS |
| High Flow | 5,000 CFS |
| Low Flow | 600 CFS |
| Okay Flow | 600 CFS – 5,000 CFS |
| Gauge Location | 45.350000, -118.120000 |