| McCaslin Marsh | Kitsap, WA | 11.5 miles | SW |
| Morgan Marsh | Kitsap, WA | 12.8 miles | SW |
| Long Marsh | Mason, WA | 16.5 miles | SW |
| Ronald Bog | King, WA | 17.1 miles | NE |
| Winchester Swamp | Pierce, WA | 18.2 miles | SE |
| The Peat Bog | Mason, WA | 22.9 miles | SW |
| Lilliwaup Swamp | Mason, WA | 26.2 miles | SW |
| Mint Marsh | Mason, WA | 27.7 miles | SW |
| South Tacoma Swamp | Pierce, WA | 28.4 miles | SE |
| Owens Marsh | Pierce, WA | 30.8 miles | SE |
| Crawford Marsh | Pierce, WA | 30.9 miles | SE |
| Deer Meadow | Mason, WA | 31.1 miles | SW |
| Farrell Marsh | Pierce, WA | 31.4 miles | SE |
| Mooney Swamp | King, WA | 32.9 miles | SE |
| Park Marsh | Pierce, WA | 33.3 miles | SE |
| Elliot Marsh | Pierce, WA | 33.5 miles | SE |
| Harts Swamp | King, WA | 34.4 miles | NE |
| Hanner Marsh | Pierce, WA | 34.8 miles | SE |
| Edmond Marsh | Pierce, WA | 35.1 miles | SW |
| MacKay Marsh | Pierce, WA | 35.2 miles | SE |
| Kinsey Marsh | Pierce, WA | 35.4 miles | SE |
| Trestle Swamp | Snohomish, WA | 35.5 miles | NE |
| Kennedy Marsh | Pierce, WA | 35.6 miles | SE |
| Roths Swamp | Snohomish, WA | 35.9 miles | NE |
| Johnsons Swamp | Snohomish, WA | 36.3 miles | NE |
| Wright Marsh | Pierce, WA | 37.1 miles | SE |
| Shannon Marsh | Pierce, WA | 37.5 miles | SE |
| Kimball Creek Swamp | King, WA | 38.9 miles | SE |
| Grays Marsh | Clallam, WA | 40.3 miles | NW |
| Metcalf Marsh | King, WA | 41.4 miles | SE |
| Halverson Marsh | Pierce, WA | 41.6 miles | SE |
| Brandenburg Marsh | Pierce, WA | 41.8 miles | SE |
| Denton Marsh | Pierce, WA | 42.5 miles | SE |
| Cranberry Marsh | Mason, WA | 44 miles | SW |
| Bear Swamp | King, WA | 45.3 miles | SE |
| Waterloo Marsh | Island, WA | 46.2 miles | NW |
| Deckerville Swamp | Mason, WA | 48.7 miles | SW |
| Parsnip Swamp | Thurston, WA | 54.8 miles | SE |
| Cranberry Marsh | San Juan, WA | 57.5 miles | NW |
| Old Channel | Skagit, WA | 58.2 miles | NE |
| Olympia Marsh | Skagit, WA | 62 miles | NE |
| Beljica Meadows Lake | Pierce, WA | 65.4 miles | SE |
| Stella Swamp | Skagit, WA | 66.8 miles | NW |
| Miller Swamp | Lewis, WA | 73.8 miles | SW |
| North Fork Swamp | Lewis, WA | 73.8 miles | SE |
| Musto Marsh | Whatcom, WA | 80.3 miles | NE |
| Cow Creek Meadows | Chelan, WA | 93.6 miles | NE |
| Castle Creek Marsh | Cowlitz, WA | 95.8 miles | SE |
| Pangborn Lake | Whatcom, WA | 95.9 miles | NE |
| Cedar Swamp | Yakima, WA | 101.5 miles | SE |
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