| Greener Road Trail | Washington, OR | 16.5 miles | SW |
| Georges Peak Trail | Cowlitz, WA | 19.8 miles | NE |
| Canyon Creek Trail | Skamania, WA | 27 miles | NE |
| Washougal Trail | Skamania, WA | 27.8 miles | SE |
| Siouxon Trail | Skamania, WA | 27.9 miles | NE |
| Horseshoe Ridge Trail | Skamania, WA | 29.1 miles | NE |
| Zig Zag Trail | Skamania, WA | 29.2 miles | NE |
| Calamity Peak Trail | Skamania, WA | 30.7 miles | NE |
| Ridge Trail | Skamania, WA | 30.7 miles | NE |
| Green Leaf Trail | Skamania, WA | 30.8 miles | SE |
| Snag Creek Trail | Skamania, WA | 32.1 miles | SE |
| Kalama River Trail | Cowlitz, WA | 32.4 miles | NE |
| Soda Peaks Trail | Skamania, WA | 33.4 miles | NE |
| Observation Peak Trail | Skamania, WA | 34 miles | NE |
| Rock Creek Trail | Skamania, WA | 34.3 miles | SE |
| Toutle River Trail | Cowlitz, WA | 34.4 miles | NE |
| Saint Helens Way | Skamania, WA | 34.8 miles | NE |
| Sewer Trail | Multnomah, OR | 36.5 miles | SE |
| Paradise Trail | Skamania, WA | 36.8 miles | NE |
| Nesmith Point Trail | Multnomah, OR | 37 miles | SE |
| Little Sandy Trail | Clackamas, OR | 37.5 miles | SE |
| Cougar Trail | Multnomah, OR | 37.6 miles | SE |
| Stevenson Ridge Trail | Skamania, WA | 37.8 miles | SE |
| East and West Truck Trail | Cowlitz, WA | 38 miles | NW |
| Mill Creek Truck Trail | Cowlitz, WA | 38.4 miles | NW |
| Pine Creek Trail | Skamania, WA | 38.4 miles | NE |
| Abernathy Truck Trail | Cowlitz, WA | 39.1 miles | NW |
| Wisconsin Truck Trail | Cowlitz, WA | 39.1 miles | NW |
| Cedar Flats Nature Trail | Skamania, WA | 39.2 miles | NE |
| Griffis Creek Trail | Clackamas, OR | 39.3 miles | SE |
| Reservoir Trail | Multnomah, OR | 39.4 miles | SE |
| Castle Rock Truck Trail | Cowlitz, WA | 39.4 miles | NW |
| Tanner Cutoff Trail | Multnomah, OR | 39.9 miles | SE |
| Falls Creek Trail | Skamania, WA | 40 miles | NE |
| Lava Butte Trail | Skamania, WA | 40 miles | NE |
| Damsite Trail | Multnomah, OR | 40.7 miles | SE |
| Stillwater Truck Trail | Cowlitz, WA | 41 miles | NW |
| Big Bend Trail | Multnomah, OR | 41.1 miles | SE |
| Coldwater Trail | Skamania, WA | 41.3 miles | NE |
| Smith Creek Trail | Skamania, WA | 41.3 miles | NE |
| Tanner Butte Trail | Multnomah, OR | 41.4 miles | SE |
| Fawn Lake Trail | Cowlitz, WA | 41.5 miles | NE |
| Smith Creek Butte Trail | Skamania, WA | 41.5 miles | NE |
| Ridge Trail | Skamania, WA | 41.5 miles | NE |
| Bradley Truck Trail | Wahkiakum, WA | 41.7 miles | NW |
| Huckleberry Trail | Skamania, WA | 41.8 miles | NE |
| Aschoff Buttes Trail | Clackamas, OR | 42 miles | SE |
| Incline Truck Trail | Wahkiakum, WA | 42.2 miles | NW |
| Muddy River Trail | Skamania, WA | 42.3 miles | NE |
| Bean Creek Trail | Skamania, WA | 43 miles | NE |
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