| Winchester Swamp | Pierce, WA | 8.8 miles | SW |
| South Tacoma Swamp | Pierce, WA | 17.5 miles | SW |
| McCaslin Marsh | Kitsap, WA | 18.4 miles | NW |
| Owens Marsh | Pierce, WA | 19.7 miles | SE |
| Long Marsh | Mason, WA | 19.9 miles | SW |
| Morgan Marsh | Kitsap, WA | 20.1 miles | NW |
| Crawford Marsh | Pierce, WA | 20.3 miles | SW |
| Ronald Bog | King, WA | 21.2 miles | NE |
| Mooney Swamp | King, WA | 21.2 miles | SE |
| Farrell Marsh | Pierce, WA | 21.9 miles | SW |
| Park Marsh | Pierce, WA | 23.5 miles | SW |
| Elliot Marsh | Pierce, WA | 23.9 miles | SW |
| Kinsey Marsh | Pierce, WA | 24.8 miles | SW |
| Kennedy Marsh | Pierce, WA | 25.5 miles | SW |
| Hanner Marsh | Pierce, WA | 25.5 miles | SW |
| MacKay Marsh | Pierce, WA | 25.9 miles | SW |
| Edmond Marsh | Pierce, WA | 26 miles | SW |
| The Peat Bog | Mason, WA | 26.1 miles | SW |
| Wright Marsh | Pierce, WA | 27.6 miles | SW |
| Shannon Marsh | Pierce, WA | 28.1 miles | SW |
| Kimball Creek Swamp | King, WA | 31.2 miles | NE |
| Halverson Marsh | Pierce, WA | 31.5 miles | SW |
| Brandenburg Marsh | Pierce, WA | 31.7 miles | SW |
| Lilliwaup Swamp | Mason, WA | 32.2 miles | NW |
| Denton Marsh | Pierce, WA | 32.4 miles | SW |
| Bear Swamp | King, WA | 33.3 miles | SE |
| Harts Swamp | King, WA | 33.3 miles | NE |
| Mint Marsh | Mason, WA | 33.9 miles | NW |
| Trestle Swamp | Snohomish, WA | 34.4 miles | NE |
| Roths Swamp | Snohomish, WA | 34.6 miles | NE |
| Deer Meadow | Mason, WA | 35.4 miles | SW |
| Johnsons Swamp | Snohomish, WA | 35.5 miles | NE |
| Metcalf Marsh | King, WA | 35.7 miles | NE |
| Parsnip Swamp | Thurston, WA | 43.9 miles | SE |
| Cranberry Marsh | Mason, WA | 44.6 miles | SW |
| Deckerville Swamp | Mason, WA | 50.4 miles | SW |
| Grays Marsh | Clallam, WA | 52.7 miles | NW |
| Beljica Meadows Lake | Pierce, WA | 53 miles | SE |
| Waterloo Marsh | Island, WA | 57.2 miles | NW |
| North Fork Swamp | Lewis, WA | 61.7 miles | SE |
| Miller Swamp | Lewis, WA | 67.6 miles | SW |
| Old Channel | Skagit, WA | 68.1 miles | NW |
| Cranberry Marsh | San Juan, WA | 68.9 miles | NW |
| Olympia Marsh | Skagit, WA | 71.3 miles | NE |
| Stella Swamp | Skagit, WA | 77.6 miles | NW |
| Castle Creek Marsh | Cowlitz, WA | 84.7 miles | SE |
| Musto Marsh | Whatcom, WA | 88.4 miles | NE |
| Cedar Swamp | Yakima, WA | 89.1 miles | SE |
| Huckleberry Swamp | Yakima, WA | 89.3 miles | SE |
| Goat Marsh | Cowlitz, WA | 90.4 miles | SE |
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