| Olympia Marsh | Skagit, WA | 4.9 miles | SE |
| Old Channel | Skagit, WA | 8.8 miles | SW |
| Stella Swamp | Skagit, WA | 13.1 miles | NW |
| Musto Marsh | Whatcom, WA | 18.2 miles | NE |
| Cranberry Marsh | San Juan, WA | 21.5 miles | SW |
| Waterloo Marsh | Island, WA | 23.2 miles | SW |
| Pangborn Lake | Whatcom, WA | 29.4 miles | NE |
| Grays Marsh | Clallam, WA | 42.7 miles | SW |
| Ronald Bog | King, WA | 56 miles | SE |
| Johnsons Swamp | Snohomish, WA | 57.6 miles | SE |
| Trestle Swamp | Snohomish, WA | 58.6 miles | SE |
| Harts Swamp | King, WA | 58.8 miles | SE |
| Roths Swamp | Snohomish, WA | 59.1 miles | SE |
| Metcalf Marsh | King, WA | 73 miles | SE |
| Morgan Marsh | Kitsap, WA | 73.4 miles | SW |
| McCaslin Marsh | Kitsap, WA | 73.4 miles | SW |
| Kimball Creek Swamp | King, WA | 78.3 miles | SE |
| Long Marsh | Mason, WA | 79.5 miles | SW |
| Lilliwaup Swamp | Mason, WA | 81.5 miles | SW |
| Mint Marsh | Mason, WA | 81.9 miles | SW |
| The Peat Bog | Mason, WA | 83.7 miles | SW |
| Winchester Swamp | Pierce, WA | 83.9 miles | SW |
| Cow Creek Meadows | Chelan, WA | 86 miles | SE |
| Deer Meadow | Mason, WA | 87.7 miles | SW |
| Mooney Swamp | King, WA | 88.4 miles | SE |
| South Tacoma Swamp | Pierce, WA | 93.4 miles | SW |
| Owens Marsh | Pierce, WA | 95.7 miles | SW |
| Crawford Marsh | Pierce, WA | 96.2 miles | SW |
| Farrell Marsh | Pierce, WA | 97.4 miles | SW |
| Park Marsh | Pierce, WA | 99.2 miles | SW |
| Bear Swamp | King, WA | 99.5 miles | SE |
| Elliot Marsh | Pierce, WA | 99.5 miles | SW |
| Cranberry Marsh | Mason, WA | 103.7 miles | SW |
| Deckerville Swamp | Mason, WA | 105.8 miles | SW |
|