| Miller Swamp | Lewis, WA | 19.6 miles | SW |
| Denton Marsh | Pierce, WA | 20.3 miles | NE |
| Brandenburg Marsh | Pierce, WA | 20.8 miles | NE |
| Halverson Marsh | Pierce, WA | 21.2 miles | NE |
| Parsnip Swamp | Thurston, WA | 21.4 miles | NE |
| Shannon Marsh | Pierce, WA | 22.1 miles | NE |
| Wright Marsh | Pierce, WA | 22.8 miles | NE |
| Edmond Marsh | Pierce, WA | 23.7 miles | NE |
| MacKay Marsh | Pierce, WA | 24.1 miles | NE |
| Hanner Marsh | Pierce, WA | 24.4 miles | NE |
| Kennedy Marsh | Pierce, WA | 25.5 miles | NE |
| Elliot Marsh | Pierce, WA | 26.2 miles | NE |
| Park Marsh | Pierce, WA | 26.6 miles | NE |
| Kinsey Marsh | Pierce, WA | 27 miles | NE |
| Farrell Marsh | Pierce, WA | 27.9 miles | NE |
| Crawford Marsh | Pierce, WA | 30.8 miles | NE |
| Owens Marsh | Pierce, WA | 32.3 miles | NE |
| South Tacoma Swamp | Pierce, WA | 33.5 miles | NE |
| Cranberry Marsh | Mason, WA | 35.4 miles | NW |
| Deckerville Swamp | Mason, WA | 40.5 miles | NW |
| Winchester Swamp | Pierce, WA | 40.8 miles | NE |
| North Fork Swamp | Lewis, WA | 42.1 miles | SE |
| Beljica Meadows Lake | Pierce, WA | 43.8 miles | SE |
| The Peat Bog | Mason, WA | 43.9 miles | NW |
| Long Marsh | Mason, WA | 45.6 miles | NW |
| Deer Meadow | Mason, WA | 45.9 miles | NW |
| Castle Creek Marsh | Cowlitz, WA | 47.6 miles | SE |
| Lilliwaup Swamp | Mason, WA | 49.9 miles | NW |
| Mooney Swamp | King, WA | 50.4 miles | NE |
| Mint Marsh | Mason, WA | 50.8 miles | NW |
| Bear Swamp | King, WA | 51.1 miles | NE |
| McCaslin Marsh | Kitsap, WA | 51.3 miles | NE |
| Morgan Marsh | Kitsap, WA | 51.7 miles | NW |
| Goat Marsh | Cowlitz, WA | 52 miles | SE |
| Cranberry Marsh | Pacific, WA | 61.9 miles | SW |
| Cranberry Marsh | Pacific, WA | 64.3 miles | SW |
| Brallier Swamp | Clatsop, OR | 66.3 miles | SW |
| Burke Lake | Clatsop, OR | 67.3 miles | SW |
| Kimball Creek Swamp | King, WA | 69.6 miles | NE |
| Ronald Bog | King, WA | 70.7 miles | NE |
| Huckleberry Swamp | Yakima, WA | 76.5 miles | SE |
| Metcalf Marsh | King, WA | 76.9 miles | NE |
| Cedar Swamp | Yakima, WA | 76.9 miles | SE |
| Virginia Lake | Multnomah, OR | 78.7 miles | SE |
| Harts Swamp | King, WA | 80.5 miles | NE |
| Trestle Swamp | Snohomish, WA | 81.5 miles | NE |
| Roths Swamp | Snohomish, WA | 81.6 miles | NE |
| Stadleman Swamp | Skamania, WA | 82.2 miles | SE |
| Johnsons Swamp | Snohomish, WA | 82.8 miles | NE |
| Mimsi Marsh (not official) | Clark, WA | 84.7 miles | SE |
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