| Olympia Marsh | Skagit, WA | 24.9 miles | NW |
| Old Channel | Skagit, WA | 26 miles | NW |
| Waterloo Marsh | Island, WA | 28.2 miles | NW |
| Johnsons Swamp | Snohomish, WA | 28.2 miles | SE |
| Trestle Swamp | Snohomish, WA | 29.3 miles | SE |
| Harts Swamp | King, WA | 29.7 miles | SE |
| Roths Swamp | Snohomish, WA | 29.8 miles | SE |
| Ronald Bog | King, WA | 32.2 miles | SW |
| Musto Marsh | Whatcom, WA | 36.3 miles | NW |
| Cranberry Marsh | San Juan, WA | 38.4 miles | NW |
| Stella Swamp | Skagit, WA | 38.7 miles | NW |
| Metcalf Marsh | King, WA | 43.5 miles | SE |
| Grays Marsh | Clallam, WA | 45.2 miles | SW |
| Kimball Creek Swamp | King, WA | 49.2 miles | SE |
| Pangborn Lake | Whatcom, WA | 56.2 miles | NW |
| McCaslin Marsh | Kitsap, WA | 57.3 miles | SW |
| Morgan Marsh | Kitsap, WA | 57.9 miles | SW |
| Mooney Swamp | King, WA | 61.5 miles | SW |
| Winchester Swamp | Pierce, WA | 62.1 miles | SW |
| Long Marsh | Mason, WA | 63.1 miles | SW |
| Cow Creek Meadows | Chelan, WA | 64.2 miles | SE |
| The Peat Bog | Mason, WA | 68.8 miles | SW |
| Lilliwaup Swamp | Mason, WA | 69.4 miles | SW |
| South Tacoma Swamp | Pierce, WA | 70.3 miles | SW |
| Mint Marsh | Mason, WA | 70.3 miles | SW |
| Bear Swamp | King, WA | 71.6 miles | SE |
| Owens Marsh | Pierce, WA | 72.2 miles | SW |
| Crawford Marsh | Pierce, WA | 73.2 miles | SW |
| Farrell Marsh | Pierce, WA | 75.3 miles | SW |
| Deer Meadow | Mason, WA | 75.4 miles | SW |
| Park Marsh | Pierce, WA | 76.8 miles | SW |
| Elliot Marsh | Pierce, WA | 77.2 miles | SW |
| Kinsey Marsh | Pierce, WA | 77.6 miles | SW |
| Kennedy Marsh | Pierce, WA | 78.6 miles | SW |
| Hanner Marsh | Pierce, WA | 78.8 miles | SW |
| MacKay Marsh | Pierce, WA | 79.2 miles | SW |
| Edmond Marsh | Pierce, WA | 79.4 miles | SW |
| Wright Marsh | Pierce, WA | 80.8 miles | SW |
| Shannon Marsh | Pierce, WA | 81.4 miles | SW |
| Halverson Marsh | Pierce, WA | 84.3 miles | SW |
| Brandenburg Marsh | Pierce, WA | 84.6 miles | SW |
| Denton Marsh | Pierce, WA | 85.3 miles | SW |
| Cranberry Marsh | Mason, WA | 90.2 miles | SW |
| Deckerville Swamp | Mason, WA | 94 miles | SW |
| Parsnip Swamp | Thurston, WA | 95.3 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 97.2 miles | SE |
|