| Winchester Swamp | Pierce, WA | 5.1 miles | SE |
| Long Marsh | Mason, WA | 13.2 miles | NW |
| McCaslin Marsh | Kitsap, WA | 13.8 miles | NW |
| Morgan Marsh | Kitsap, WA | 15.3 miles | NW |
| South Tacoma Swamp | Pierce, WA | 15.4 miles | SE |
| Crawford Marsh | Pierce, WA | 17.6 miles | SE |
| Farrell Marsh | Pierce, WA | 17.7 miles | SE |
| Owens Marsh | Pierce, WA | 17.8 miles | SE |
| The Peat Bog | Mason, WA | 18.9 miles | NW |
| Park Marsh | Pierce, WA | 19.6 miles | SE |
| Elliot Marsh | Pierce, WA | 19.9 miles | SE |
| Hanner Marsh | Pierce, WA | 21.1 miles | SE |
| Edmond Marsh | Pierce, WA | 21.4 miles | SW |
| MacKay Marsh | Pierce, WA | 21.5 miles | SE |
| Kinsey Marsh | Pierce, WA | 21.9 miles | SE |
| Kennedy Marsh | Pierce, WA | 22 miles | SE |
| Wright Marsh | Pierce, WA | 23.4 miles | SE |
| Shannon Marsh | Pierce, WA | 23.8 miles | SE |
| Lilliwaup Swamp | Mason, WA | 25.7 miles | NW |
| Mooney Swamp | King, WA | 26.2 miles | SE |
| Ronald Bog | King, WA | 27.4 miles | NE |
| Mint Marsh | Mason, WA | 27.4 miles | NW |
| Halverson Marsh | Pierce, WA | 28 miles | SE |
| Brandenburg Marsh | Pierce, WA | 28.1 miles | SE |
| Deer Meadow | Mason, WA | 28.2 miles | NW |
| Denton Marsh | Pierce, WA | 28.9 miles | SE |
| Cranberry Marsh | Mason, WA | 36.7 miles | SW |
| Bear Swamp | King, WA | 37.3 miles | SE |
| Kimball Creek Swamp | King, WA | 38.7 miles | NE |
| Harts Swamp | King, WA | 41 miles | NE |
| Parsnip Swamp | Thurston, WA | 41.4 miles | SE |
| Trestle Swamp | Snohomish, WA | 42.1 miles | NE |
| Roths Swamp | Snohomish, WA | 42.4 miles | NE |
| Deckerville Swamp | Mason, WA | 42.5 miles | SW |
| Johnsons Swamp | Snohomish, WA | 43.2 miles | NE |
| Metcalf Marsh | King, WA | 43.6 miles | NE |
| Grays Marsh | Clallam, WA | 52.7 miles | NW |
| Beljica Meadows Lake | Pierce, WA | 53.9 miles | SE |
| Waterloo Marsh | Island, WA | 59.9 miles | NW |
| Miller Swamp | Lewis, WA | 61.2 miles | SW |
| North Fork Swamp | Lewis, WA | 61.4 miles | SE |
| Cranberry Marsh | San Juan, WA | 71.1 miles | NW |
| Old Channel | Skagit, WA | 71.9 miles | NE |
| Olympia Marsh | Skagit, WA | 75.5 miles | NE |
| Stella Swamp | Skagit, WA | 80.5 miles | NW |
| Castle Creek Marsh | Cowlitz, WA | 82.4 miles | SE |
| Goat Marsh | Cowlitz, WA | 87.9 miles | SE |
| Cedar Swamp | Yakima, WA | 91 miles | SE |
| Huckleberry Swamp | Yakima, WA | 91.1 miles | SE |
| Musto Marsh | Whatcom, WA | 93.4 miles | NE |
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