| Cedar Swamp | Skamania, WA | 12.4 miles | NE |
| Stadleman Swamp | Skamania, WA | 19.3 miles | NE |
| Deer Meadows | Clackamas, OR | 21.6 miles | SW |
| Mimsi Marsh (not official) | Clark, WA | 34.8 miles | SW |
| Goat Marsh | Cowlitz, WA | 35.7 miles | NW |
| Salmon River Meadows | Clackamas, OR | 36 miles | SE |
| Jackpot Meadow | Clackamas, OR | 38 miles | SE |
| Dry Meadow | Clackamas, OR | 38.6 miles | SE |
| Castle Creek Marsh | Cowlitz, WA | 40.1 miles | NW |
| Little Crater Meadow | Clackamas, OR | 41.8 miles | SE |
| Cedar Swamp | Wasco, OR | 44.3 miles | SE |
| Camas Prairie | Wasco, OR | 44.4 miles | SE |
| Big Meadows | Clackamas, OR | 45.9 miles | SE |
| Hog Swamp | Yakima, WA | 46 miles | NE |
| Pretty Swamp | Klickitat, WA | 46.2 miles | NE |
| Wards Meadow | Clackamas, OR | 48 miles | SW |
| Austin Meadow | Clackamas, OR | 48.5 miles | SW |
| Virginia Lake | Multnomah, OR | 48.7 miles | SW |
| Holcomb Lake | Washington, OR | 51.5 miles | SW |
| Huckleberry Swamp | Yakima, WA | 52.5 miles | NE |
| Warm Springs Meadow | Wasco, OR | 52.9 miles | SE |
| Cedar Swamp | Yakima, WA | 53.6 miles | NE |
| Warm Springs Meadows | Wasco, OR | 54.7 miles | SE |
| Camas Prairie | Wasco, OR | 57.5 miles | SE |
| North Fork Swamp | Lewis, WA | 61.5 miles | NW |
| Aders Sump | Yamhill, OR | 62.6 miles | SW |
| Cornpatch Meadow | Marion, OR | 63.4 miles | SE |
| Alder Swamp | Clackamas, OR | 65.4 miles | SW |
| Boulder Creek Meadows | Jefferson, OR | 66.3 miles | SE |
| Pigeon Prairie | Marion, OR | 71.9 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 72.1 miles | NW |
| Little Pigeon Prairie | Marion, OR | 72.3 miles | SW |
| Tustin Lake | Yamhill, OR | 73.1 miles | SW |
| Parsnip Swamp | Thurston, WA | 79.7 miles | NW |
| Twin Meadows | Linn, OR | 83.6 miles | SW |
| Big Meadows | Linn, OR | 86.5 miles | SW |
| Miller Swamp | Lewis, WA | 87.1 miles | NW |
| Denton Marsh | Pierce, WA | 92.8 miles | NW |
| Halverson Marsh | Pierce, WA | 93.5 miles | NW |
| Brandenburg Marsh | Pierce, WA | 93.5 miles | NW |
| Black Butte Swamp | Deschutes, OR | 96.1 miles | SE |
| Dry Creek | Deschutes, OR | 97 miles | SE |
| Beaver Marsh | Linn, OR | 97.9 miles | SW |
| Bear Swamp | King, WA | 97.9 miles | NW |
| Shannon Marsh | Pierce, WA | 98.3 miles | NW |
| Wright Marsh | Pierce, WA | 98.5 miles | NW |
| Kinsey Marsh | Pierce, WA | 99.1 miles | NW |
| Kennedy Marsh | Pierce, WA | 99.3 miles | NW |
| MacKay Marsh | Pierce, WA | 100.5 miles | NW |
| Hanner Marsh | Pierce, WA | 100.9 miles | NW |
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