| Cedar Swamp | Skamania, WA | 15.5 miles | SW |
| Stadleman Swamp | Skamania, WA | 18.9 miles | NW |
| Pretty Swamp | Klickitat, WA | 19.3 miles | NE |
| Hog Swamp | Yakima, WA | 21.5 miles | NE |
| Deer Meadows | Clackamas, OR | 40.5 miles | SW |
| Huckleberry Swamp | Yakima, WA | 40.7 miles | NW |
| Cedar Swamp | Yakima, WA | 41.5 miles | NW |
| Salmon River Meadows | Clackamas, OR | 46.6 miles | SW |
| Jackpot Meadow | Clackamas, OR | 50.1 miles | SW |
| Dry Meadow | Clackamas, OR | 50.4 miles | SW |
| Camas Prairie | Wasco, OR | 50.5 miles | SW |
| Cedar Swamp | Wasco, OR | 52.5 miles | SW |
| Little Crater Meadow | Clackamas, OR | 52.8 miles | SW |
| Goat Marsh | Cowlitz, WA | 53 miles | NW |
| Castle Creek Marsh | Cowlitz, WA | 55.1 miles | NW |
| Big Meadows | Clackamas, OR | 55.7 miles | SW |
| Warm Springs Meadows | Wasco, OR | 61.9 miles | SW |
| Mimsi Marsh (not official) | Clark, WA | 62.5 miles | SW |
| Warm Springs Meadow | Wasco, OR | 63.8 miles | SW |
| North Fork Swamp | Lewis, WA | 64.9 miles | NW |
| Wards Meadow | Clackamas, OR | 65.1 miles | SW |
| Austin Meadow | Clackamas, OR | 65.3 miles | SW |
| Camas Prairie | Wasco, OR | 67 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 72.8 miles | NW |
| Cornpatch Meadow | Marion, OR | 74.1 miles | SW |
| Boulder Creek Meadows | Jefferson, OR | 74.9 miles | SW |
| Virginia Lake | Multnomah, OR | 76.3 miles | SW |
| Messner Marsh | Morrow, OR | 77.5 miles | SE |
| Holcomb Lake | Washington, OR | 79.2 miles | SW |
| Alder Swamp | Clackamas, OR | 80.4 miles | SW |
| Pigeon Prairie | Marion, OR | 84.9 miles | SW |
| Little Pigeon Prairie | Marion, OR | 85.4 miles | SW |
| Parsnip Swamp | Thurston, WA | 87.3 miles | NW |
| Aders Sump | Yamhill, OR | 89.8 miles | SW |
| Twin Meadows | Linn, OR | 95.8 miles | SW |
| Bear Swamp | King, WA | 96.5 miles | NW |
| Big Meadows | Linn, OR | 98.5 miles | SW |
| Tustin Lake | Yamhill, OR | 100.2 miles | SW |
| Denton Marsh | Pierce, WA | 100.4 miles | NW |
| Halverson Marsh | Pierce, WA | 100.9 miles | NW |
| Brandenburg Marsh | Pierce, WA | 101 miles | NW |
| Miller Swamp | Lewis, WA | 104.9 miles | NW |
| Kinsey Marsh | Pierce, WA | 105.3 miles | NW |
| Wright Marsh | Pierce, WA | 105.9 miles | NW |
| Shannon Marsh | Pierce, WA | 106 miles | NW |
| Kennedy Marsh | Pierce, WA | 106 miles | NW |
| MacKay Marsh | Pierce, WA | 107.9 miles | NW |
| Hanner Marsh | Pierce, WA | 108.2 miles | NW |
| Owens Marsh | Pierce, WA | 108.4 miles | NW |
| Park Marsh | Pierce, WA | 108.5 miles | NW |
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