| Mimsi Marsh (not official) | Clark, WA | 18.6 miles | SW |
| Virginia Lake | Multnomah, OR | 21.5 miles | SW |
| Goat Marsh | Cowlitz, WA | 23.3 miles | NE |
| Holcomb Lake | Washington, OR | 27.2 miles | SW |
| Castle Creek Marsh | Cowlitz, WA | 28.8 miles | NE |
| Deer Meadows | Clackamas, OR | 41.8 miles | SE |
| Stadleman Swamp | Skamania, WA | 43.4 miles | NE |
| Aders Sump | Yamhill, OR | 43.8 miles | SW |
| Cedar Swamp | Skamania, WA | 44.5 miles | SE |
| Tustin Lake | Yamhill, OR | 53.7 miles | SW |
| North Fork Swamp | Lewis, WA | 57.9 miles | NE |
| Jackpot Meadow | Clackamas, OR | 58 miles | SE |
| Salmon River Meadows | Clackamas, OR | 58 miles | SE |
| Dry Meadow | Clackamas, OR | 58.6 miles | SE |
| Wards Meadow | Clackamas, OR | 59 miles | SE |
| Austin Meadow | Clackamas, OR | 59.7 miles | SE |
| Miller Swamp | Lewis, WA | 60.7 miles | NW |
| Little Crater Meadow | Clackamas, OR | 61.6 miles | SE |
| Big Meadows | Clackamas, OR | 65.8 miles | SE |
| Cedar Swamp | Wasco, OR | 66.1 miles | SE |
| Parsnip Swamp | Thurston, WA | 67 miles | NE |
| Huckleberry Swamp | Yakima, WA | 67.6 miles | NE |
| Camas Prairie | Wasco, OR | 67.8 miles | SE |
| Cedar Swamp | Yakima, WA | 68.7 miles | NE |
| Beljica Meadows Lake | Pierce, WA | 69.5 miles | NE |
| Warm Springs Meadow | Wasco, OR | 70.2 miles | SE |
| Burke Lake | Clatsop, OR | 71.8 miles | NW |
| Brallier Swamp | Clatsop, OR | 72.5 miles | NW |
| Hog Swamp | Yakima, WA | 72.8 miles | NE |
| Pretty Swamp | Klickitat, WA | 75.1 miles | NE |
| Warm Springs Meadows | Wasco, OR | 75.2 miles | SE |
| Camas Prairie | Wasco, OR | 75.4 miles | SE |
| Alder Swamp | Clackamas, OR | 75.5 miles | SE |
| Denton Marsh | Pierce, WA | 78.5 miles | NW |
| Cornpatch Meadow | Marion, OR | 79.1 miles | SE |
| Brandenburg Marsh | Pierce, WA | 79.2 miles | NW |
| Halverson Marsh | Pierce, WA | 79.4 miles | NW |
| Cranberry Marsh | Pacific, WA | 80.2 miles | NW |
| Cranberry Marsh | Pacific, WA | 80.9 miles | NW |
| Shannon Marsh | Pierce, WA | 83.4 miles | NW |
| Pigeon Prairie | Marion, OR | 83.5 miles | SE |
| Boulder Creek Meadows | Jefferson, OR | 83.7 miles | SE |
| Wright Marsh | Pierce, WA | 83.8 miles | NW |
| Little Pigeon Prairie | Marion, OR | 83.9 miles | SE |
| Lost Prairie | Lincoln, OR | 85.3 miles | SW |
| Kennedy Marsh | Pierce, WA | 85.4 miles | NW |
| MacKay Marsh | Pierce, WA | 85.8 miles | NW |
| Kinsey Marsh | Pierce, WA | 85.9 miles | NW |
| Jeeter Prairie | Lincoln, OR | 85.9 miles | SW |
| Edmond Marsh | Pierce, WA | 85.9 miles | NW |
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