| Paterson Ridge | Benton, WA | 33.5 miles | SW |
| Sagebrush Ridge | Benton, WA | 35.9 miles | NW |
| Rieth Ridge | Umatilla, OR | 36.3 miles | SE |
| Sagebrush Ridge | Yakima, WA | 37.9 miles | NW |
| Horse Heaven Hills | Benton, WA | 41.3 miles | SW |
| Canoe Ridge | Benton, WA | 42.6 miles | SW |
| Sagebrush Ridge | Yakima, WA | 43 miles | NW |
| Peterson Ridge | Umatilla, OR | 44.2 miles | SE |
| Pine Ridge | Umatilla, OR | 44.5 miles | SE |
| Kanine Ridge | Umatilla, OR | 45.3 miles | SE |
| Gibbon Ridge | Umatilla, OR | 46.8 miles | SE |
| Blacksnake Ridge | Walla Walla, WA | 46.8 miles | SE |
| Biscuit Ridge | Walla Walla, WA | 47.5 miles | SE |
| Green Ridge | Walla Walla, WA | 47.9 miles | SE |
| Telephone Ridge | Umatilla, OR | 48.6 miles | SE |
| Starve-to-Death Ridge | Umatilla, OR | 48.9 miles | SE |
| Hagen Ridge | Umatilla, OR | 49 miles | SE |
| Table Land | Umatilla, OR | 49 miles | SE |
| Hagar Ridge | Umatilla, OR | 49.2 miles | SE |
| Rattlesnake Ridge | Umatilla, OR | 49.4 miles | SE |
| Stumbough Ridge | Umatilla, OR | 49.6 miles | SE |
| Bobsled Ridge | Umatilla, OR | 49.7 miles | SE |
| Forks Ridge | Umatilla, OR | 49.8 miles | SE |
| Indian Ridge | Umatilla, OR | 49.8 miles | SE |
| Rimrock Ridge | Umatilla, OR | 50.2 miles | SE |
| Rodgers Ridge | Umatilla, OR | 50.2 miles | SE |
| Low Ridge | Umatilla, OR | 50.5 miles | SE |
| Plenty Bear Ridge | Umatilla, OR | 51 miles | SE |
| Mill Creek Watershed | Columbia, OR | 51 miles | SE |
| Poverty Ridge | Morrow, OR | 51 miles | SW |
| Trail Ridge | Umatilla, OR | 51.4 miles | SE |
| Short Ridge | Umatilla, OR | 51.5 miles | SE |
| Light Ridge | Umatilla, OR | 51.5 miles | SE |
| Broken Ridge | Umatilla, OR | 51.6 miles | SE |
| Paradise Ridge | Umatilla, OR | 52 miles | SE |
| Paradise Ridge | Columbia, WA | 52.1 miles | SE |
| Low Ridge | Umatilla, OR | 52.4 miles | SE |
| Alder Ridge | Klickitat, WA | 52.6 miles | SW |
| Day Ridge | Columbia, WA | 53 miles | SE |
| Boulder Ridge | Umatilla, OR | 53.2 miles | SE |
| Coyote Ridge | Umatilla, OR | 53.2 miles | SE |
| Kimbrell Ridge | Klickitat, WA | 53.7 miles | SW |
| Dusty Ridge | Umatilla, OR | 55 miles | SE |
| Johnson Ridge | Umatilla, OR | 55.5 miles | SE |
| Buck Ridge | Columbia, WA | 55.7 miles | SE |
| Goodman Ridge | Umatilla, OR | 55.7 miles | SE |
| Rocky Ridge | Umatilla, OR | 55.9 miles | SE |
| Sand Ridge | Klickitat, WA | 56 miles | SW |
| Sand Ridge | Klickitat, WA | 56 miles | SW |
| High Ridge | Union, OR | 56.3 miles | SE |
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