| Stella Swamp | Skagit, WA | 15.4 miles | SW |
| Pangborn Lake | Whatcom, WA | 17.5 miles | NE |
| Musto Marsh | Whatcom, WA | 18 miles | SE |
| Olympia Marsh | Skagit, WA | 18.2 miles | SE |
| Old Channel | Skagit, WA | 20.6 miles | SW |
| Cranberry Marsh | San Juan, WA | 27.3 miles | SW |
| Waterloo Marsh | Island, WA | 33.7 miles | SW |
| Grays Marsh | Clallam, WA | 51 miles | SW |
| Ronald Bog | King, WA | 69 miles | SE |
| Johnsons Swamp | Snohomish, WA | 70.6 miles | SE |
| Trestle Swamp | Snohomish, WA | 71.6 miles | SE |
| Harts Swamp | King, WA | 71.9 miles | SE |
| Roths Swamp | Snohomish, WA | 72.1 miles | SE |
| Morgan Marsh | Kitsap, WA | 85 miles | SW |
| McCaslin Marsh | Kitsap, WA | 85.1 miles | SW |
| Metcalf Marsh | King, WA | 86 miles | SE |
| Long Marsh | Mason, WA | 91.1 miles | SW |
| Kimball Creek Swamp | King, WA | 91.4 miles | SE |
| Lilliwaup Swamp | Mason, WA | 92.2 miles | SW |
| Mint Marsh | Mason, WA | 92.3 miles | SW |
| Cow Creek Meadows | Chelan, WA | 94.7 miles | SE |
| The Peat Bog | Mason, WA | 94.9 miles | SW |
| Winchester Swamp | Pierce, WA | 96.5 miles | SW |
| Deer Meadow | Mason, WA | 98.2 miles | SW |
| Mooney Swamp | King, WA | 101.6 miles | SE |
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