| Hog Swamp | Yakima, WA | 41.7 miles | SW |
| Pretty Swamp | Klickitat, WA | 43.1 miles | SW |
| Cedar Swamp | Yakima, WA | 49.6 miles | NW |
| Huckleberry Swamp | Yakima, WA | 50.3 miles | NW |
| Messner Marsh | Morrow, OR | 50.5 miles | SE |
| Stadleman Swamp | Skamania, WA | 70.4 miles | SW |
| Cedar Swamp | Skamania, WA | 76.6 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 82.2 miles | NW |
| North Fork Swamp | Lewis, WA | 83.1 miles | NW |
| Bear Swamp | King, WA | 92.6 miles | NW |
| Castle Creek Marsh | Cowlitz, WA | 95.1 miles | SW |
| Goat Marsh | Cowlitz, WA | 96.7 miles | SW |
| Deer Meadows | Clackamas, OR | 102.6 miles | SW |
| Kimball Creek Swamp | King, WA | 103.7 miles | NW |
| Mooney Swamp | King, WA | 104.6 miles | NW |
| Salmon River Meadows | Clackamas, OR | 106.7 miles | SW |
| Metcalf Marsh | King, WA | 106.7 miles | NW |
| Camas Prairie | Wasco, OR | 108 miles | SW |
| Jackpot Meadow | Clackamas, OR | 110.4 miles | SW |
| Dry Meadow | Clackamas, OR | 110.6 miles | SW |
| Cedar Swamp | Wasco, OR | 110.8 miles | SW |
| Little Crater Meadow | Clackamas, OR | 112.5 miles | SW |
| Big Meadows | Clackamas, OR | 114.6 miles | SW |
| Roths Swamp | Snohomish, WA | 120.6 miles | NW |
| Trestle Swamp | Snohomish, WA | 121.2 miles | NW |
| Harts Swamp | King, WA | 121.3 miles | NW |
| Johnsons Swamp | Snohomish, WA | 122 miles | NW |
| Warm Springs Meadow | Wasco, OR | 122.5 miles | SW |
| Wards Meadow | Clackamas, OR | 126.3 miles | SW |
| Austin Meadow | Clackamas, OR | 126.5 miles | SW |
| Ronald Bog | King, WA | 132.9 miles | NW |
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