| Long Hollow Trail | Whitman, WA | 21.7 miles | SE |
| Whitman County Nature Trail | Whitman, WA | 28 miles | NE |
| John Wayne Trail | Whitman, WA | 42.6 miles | NE |
| Salter Trail | Columbia, WA | 48.5 miles | SE |
| Rattlesnake Trail | Columbia, WA | 51.2 miles | SE |
| Panjab Trail | Columbia, WA | 52 miles | SE |
| Turkey Creek Trail | Columbia, WA | 52.6 miles | SE |
| Tucannon River Trail | Garfield, WA | 52.7 miles | SE |
| Meadow Creek Trail | Columbia, WA | 52.8 miles | SE |
| Mount Misery Trail | Columbia, WA | 53.3 miles | SE |
| North Fork Asotin Creek Trail | Garfield, WA | 54.8 miles | SE |
| Bear Creek Trail | Garfield, WA | 54.8 miles | SE |
| Intake Trail | Columbia, WA | 57 miles | SE |
| West Butte Creek Trail | Columbia, WA | 57.3 miles | SE |
| East Butte Creek Trail | Columbia, WA | 57.4 miles | SE |
| South Asotin Trail | Asotin, WA | 58 miles | SE |
| Melton Creek Trail | Garfield, WA | 58.7 miles | SE |
| Red Hill Gulch Trail | Asotin, WA | 58.9 miles | SE |
| July Ridge Trail | Garfield, WA | 59.1 miles | SE |
| Sawtooth Trail | Columbia, WA | 60.3 miles | SE |
| Low Saddle Trail | Asotin, WA | 60.4 miles | SE |
| Dexter Ridge Trail | Columbia, WA | 61.1 miles | SE |
| Intake Trail | Umatilla, OR | 61.4 miles | SW |
| Smooth Ridge Trail | Columbia, WA | 61.4 miles | SE |
| Slick Ear Trail | Columbia, WA | 61.5 miles | SE |
| West Wenatchee Trail | Asotin, WA | 61.6 miles | SE |
| Grizzly Bear Trail | Columbia, WA | 61.6 miles | SE |
| Crooked Creek Trail | Garfield, WA | 61.7 miles | SE |
| Indian Tom Trail | Asotin, WA | 62.1 miles | SE |
| Wenatchee Creek Trail | Asotin, WA | 62.6 miles | SE |
| Packer Trail | Garfield, WA | 62.8 miles | SE |
| White Pine National Recreation Trail | Latah, ID | 63.7 miles | NE |
| White Pine Scenic Drive | Benewah, ID | 64.7 miles | NE |
| Sand Mountain Lookout Trail | Latah, ID | 66.2 miles | NE |
| Cross Canyon Trail | Wallowa, OR | 66.3 miles | SE |
| Sherry Grade | Asotin, WA | 70 miles | SE |
| Caribou Ridge National Recreation Trail | Kootenai, ID | 79.1 miles | NE |
| North Fork Trail | Umatilla, OR | 79.4 miles | SW |
| Lick Creek Trail | Umatilla, OR | 79.8 miles | SW |
| Bobsled Trail | Umatilla, OR | 80.9 miles | SW |
| Canteen Trail | Ferry, WA | 82.5 miles | NW |
| English Point National Recreation Trail | Kootenai, ID | 86.4 miles | NE |
| Howard Cutoff Trail | Wallowa, OR | 88 miles | SE |
| Cottonwood Creek Trail | Wallowa, OR | 88.4 miles | SE |
| Chico Trail | Wallowa, OR | 89.3 miles | SE |
| Cook Creek Trail | Wallowa, OR | 89.7 miles | SE |
| Freezeout Trail | Clearwater, ID | 95.1 miles | NE |
| Hale Spring Trail | Union, OR | 96.2 miles | SW |
| Leiberg-Athol Trail | Kootenai, ID | 97.2 miles | NE |
| Five Points Trail | Union, OR | 98.2 miles | SW |
|