MF Smith River
| Class | IV V |
| State | California |
| Region | Southern Coast |
| Season | Nov-Apr |
| Length | 1.5 mi |
| Gradient | 50 ft/mi |
| Elevation Loss | 75 ft |
| Scenery | forest/gorge |
| Features | too short |
| Remoteness | Not Remote |
| Nature | Continous |
| Watershed | NRA |
| Optimal Flow | 800 CFS |
| High Flow | 22,000 CFS |
| Low Flow | 500 CFS |
| Okay Flow | 500 CFS – 22,000 CFS |
| Difficulties | Technical |