| Ronald Bog | King, WA | 11.1 miles | NW |
| Harts Swamp | King, WA | 16.8 miles | NE |
| Trestle Swamp | Snohomish, WA | 17.9 miles | NE |
| Roths Swamp | Snohomish, WA | 18.2 miles | NE |
| Johnsons Swamp | Snohomish, WA | 19 miles | NE |
| Kimball Creek Swamp | King, WA | 20 miles | SE |
| Metcalf Marsh | King, WA | 21.7 miles | SE |
| Mooney Swamp | King, WA | 22.4 miles | SE |
| Winchester Swamp | Pierce, WA | 24.8 miles | SW |
| McCaslin Marsh | Kitsap, WA | 30.7 miles | SW |
| South Tacoma Swamp | Pierce, WA | 31.1 miles | SW |
| Morgan Marsh | Kitsap, WA | 32.2 miles | SW |
| Owens Marsh | Pierce, WA | 32.7 miles | SW |
| Crawford Marsh | Pierce, WA | 33.9 miles | SW |
| Bear Swamp | King, WA | 34.1 miles | SE |
| Long Marsh | Mason, WA | 34.2 miles | SW |
| Farrell Marsh | Pierce, WA | 36.6 miles | SW |
| Park Marsh | Pierce, WA | 37.9 miles | SW |
| Kinsey Marsh | Pierce, WA | 38.1 miles | SW |
| Elliot Marsh | Pierce, WA | 38.3 miles | SW |
| Kennedy Marsh | Pierce, WA | 39.4 miles | SW |
| Hanner Marsh | Pierce, WA | 40.1 miles | SW |
| MacKay Marsh | Pierce, WA | 40.4 miles | SW |
| Edmond Marsh | Pierce, WA | 40.8 miles | SW |
| The Peat Bog | Mason, WA | 40.8 miles | SW |
| Wright Marsh | Pierce, WA | 41.8 miles | SW |
| Shannon Marsh | Pierce, WA | 42.5 miles | SW |
| Halverson Marsh | Pierce, WA | 44.8 miles | SW |
| Brandenburg Marsh | Pierce, WA | 45.1 miles | SW |
| Lilliwaup Swamp | Mason, WA | 45.5 miles | SW |
| Denton Marsh | Pierce, WA | 45.7 miles | SW |
| Mint Marsh | Mason, WA | 47.1 miles | SW |
| Deer Meadow | Mason, WA | 49.8 miles | SW |
| Waterloo Marsh | Island, WA | 50.9 miles | NW |
| Grays Marsh | Clallam, WA | 52.6 miles | NW |
| Parsnip Swamp | Thurston, WA | 55.3 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 58.6 miles | SE |
| Old Channel | Skagit, WA | 59.1 miles | NW |
| Cranberry Marsh | Mason, WA | 60.6 miles | SW |
| Olympia Marsh | Skagit, WA | 61.1 miles | NW |
| Cranberry Marsh | San Juan, WA | 63.5 miles | NW |
| Deckerville Swamp | Mason, WA | 66.1 miles | SW |
| North Fork Swamp | Lewis, WA | 68.9 miles | SE |
| Stella Swamp | Skagit, WA | 70.2 miles | NW |
| Cow Creek Meadows | Chelan, WA | 75.1 miles | NE |
| Musto Marsh | Whatcom, WA | 76.2 miles | NE |
| Miller Swamp | Lewis, WA | 83.3 miles | SW |
| Cedar Swamp | Yakima, WA | 91.4 miles | SE |
| Huckleberry Swamp | Yakima, WA | 91.8 miles | SE |
| Castle Creek Marsh | Cowlitz, WA | 94.8 miles | SW |
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