| Long Marsh | Mason, WA | 6.6 miles | NW |
| The Peat Bog | Mason, WA | 8.9 miles | NW |
| McCaslin Marsh | Kitsap, WA | 11.9 miles | NE |
| Morgan Marsh | Kitsap, WA | 12.4 miles | NW |
| Winchester Swamp | Pierce, WA | 14 miles | SE |
| Lilliwaup Swamp | Mason, WA | 16.6 miles | NW |
| Deer Meadow | Mason, WA | 17.6 miles | NW |
| Mint Marsh | Mason, WA | 18.3 miles | NW |
| Farrell Marsh | Pierce, WA | 19.1 miles | SE |
| South Tacoma Swamp | Pierce, WA | 20.5 miles | SE |
| Elliot Marsh | Pierce, WA | 21.1 miles | SE |
| Park Marsh | Pierce, WA | 21.1 miles | SE |
| Edmond Marsh | Pierce, WA | 21.2 miles | SE |
| Crawford Marsh | Pierce, WA | 21.5 miles | SE |
| Hanner Marsh | Pierce, WA | 21.5 miles | SE |
| MacKay Marsh | Pierce, WA | 21.7 miles | SE |
| Owens Marsh | Pierce, WA | 22.6 miles | SE |
| Kennedy Marsh | Pierce, WA | 23.6 miles | SE |
| Wright Marsh | Pierce, WA | 23.7 miles | SE |
| Shannon Marsh | Pierce, WA | 23.8 miles | SE |
| Kinsey Marsh | Pierce, WA | 24.5 miles | SE |
| Cranberry Marsh | Mason, WA | 25.6 miles | SW |
| Halverson Marsh | Pierce, WA | 28.8 miles | SE |
| Brandenburg Marsh | Pierce, WA | 28.8 miles | SE |
| Denton Marsh | Pierce, WA | 29.4 miles | SE |
| Deckerville Swamp | Mason, WA | 31.3 miles | SW |
| Mooney Swamp | King, WA | 36.2 miles | SE |
| Ronald Bog | King, WA | 36.4 miles | NE |
| Parsnip Swamp | Thurston, WA | 42.6 miles | SE |
| Bear Swamp | King, WA | 46.2 miles | SE |
| Kimball Creek Swamp | King, WA | 50 miles | NE |
| Harts Swamp | King, WA | 51.7 miles | NE |
| Grays Marsh | Clallam, WA | 52.6 miles | NW |
| Trestle Swamp | Snohomish, WA | 52.7 miles | NE |
| Roths Swamp | Snohomish, WA | 53.1 miles | NE |
| Johnsons Swamp | Snohomish, WA | 53.7 miles | NE |
| Miller Swamp | Lewis, WA | 54.5 miles | SW |
| Metcalf Marsh | King, WA | 54.8 miles | NE |
| Beljica Meadows Lake | Pierce, WA | 59 miles | SE |
| Waterloo Marsh | Island, WA | 63.4 miles | NE |
| North Fork Swamp | Lewis, WA | 64.8 miles | SE |
| Cranberry Marsh | San Juan, WA | 73.4 miles | NE |
| Old Channel | Skagit, WA | 76.5 miles | NE |
| Olympia Marsh | Skagit, WA | 80.8 miles | NE |
| Castle Creek Marsh | Cowlitz, WA | 82.4 miles | SE |
| Stella Swamp | Skagit, WA | 83.8 miles | NE |
| Cranberry Marsh | Pacific, WA | 87.5 miles | SW |
| Goat Marsh | Cowlitz, WA | 87.6 miles | SE |
| Cranberry Marsh | Pacific, WA | 90.7 miles | SW |
| Brallier Swamp | Clatsop, OR | 96.3 miles | SW |
|