| Ronald Bog | King, WA | 9.9 miles | NE |
| Winchester Swamp | Pierce, WA | 20.9 miles | SW |
| Harts Swamp | King, WA | 21.8 miles | NE |
| Trestle Swamp | Snohomish, WA | 22.9 miles | NE |
| Roths Swamp | Snohomish, WA | 23.2 miles | NE |
| Johnsons Swamp | Snohomish, WA | 23.9 miles | NE |
| Mooney Swamp | King, WA | 24.1 miles | SE |
| McCaslin Marsh | Kitsap, WA | 24.9 miles | SW |
| Kimball Creek Swamp | King, WA | 25.3 miles | SE |
| Morgan Marsh | Kitsap, WA | 26.4 miles | SW |
| Metcalf Marsh | King, WA | 27.5 miles | SE |
| Long Marsh | Mason, WA | 28.6 miles | SW |
| South Tacoma Swamp | Pierce, WA | 28.7 miles | SW |
| Owens Marsh | Pierce, WA | 30.6 miles | SW |
| Crawford Marsh | Pierce, WA | 31.5 miles | SW |
| Farrell Marsh | Pierce, WA | 33.7 miles | SW |
| Park Marsh | Pierce, WA | 35.2 miles | SW |
| The Peat Bog | Mason, WA | 35.2 miles | SW |
| Elliot Marsh | Pierce, WA | 35.6 miles | SW |
| Kinsey Marsh | Pierce, WA | 36 miles | SW |
| Bear Swamp | King, WA | 36.5 miles | SE |
| Kennedy Marsh | Pierce, WA | 37 miles | SW |
| Hanner Marsh | Pierce, WA | 37.2 miles | SW |
| MacKay Marsh | Pierce, WA | 37.6 miles | SW |
| Edmond Marsh | Pierce, WA | 37.9 miles | SW |
| Wright Marsh | Pierce, WA | 39.2 miles | SW |
| Shannon Marsh | Pierce, WA | 39.8 miles | SW |
| Lilliwaup Swamp | Mason, WA | 39.8 miles | SW |
| Mint Marsh | Mason, WA | 41.3 miles | SW |
| Halverson Marsh | Pierce, WA | 42.7 miles | SW |
| Brandenburg Marsh | Pierce, WA | 42.9 miles | SW |
| Denton Marsh | Pierce, WA | 43.6 miles | SW |
| Deer Meadow | Mason, WA | 44.1 miles | SW |
| Grays Marsh | Clallam, WA | 48.7 miles | NW |
| Waterloo Marsh | Island, WA | 49 miles | NW |
| Parsnip Swamp | Thurston, WA | 54.1 miles | SW |
| Cranberry Marsh | Mason, WA | 55.4 miles | SW |
| Old Channel | Skagit, WA | 58.5 miles | NW |
| Beljica Meadows Lake | Pierce, WA | 59.7 miles | SE |
| Deckerville Swamp | Mason, WA | 60.7 miles | SW |
| Olympia Marsh | Skagit, WA | 61 miles | NW |
| Cranberry Marsh | San Juan, WA | 61.4 miles | NW |
| Stella Swamp | Skagit, WA | 68.9 miles | NW |
| North Fork Swamp | Lewis, WA | 69.6 miles | SE |
| Musto Marsh | Whatcom, WA | 77.2 miles | NE |
| Miller Swamp | Lewis, WA | 79.8 miles | SW |
| Cow Creek Meadows | Chelan, WA | 80.6 miles | NE |
| Cedar Swamp | Yakima, WA | 93.8 miles | SE |
| Huckleberry Swamp | Yakima, WA | 94.1 miles | SE |
| Castle Creek Marsh | Cowlitz, WA | 94.4 miles | SE |
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