| Bear Swamp | King, WA | 7 miles | NE |
| Mooney Swamp | King, WA | 10.1 miles | NW |
| Owens Marsh | Pierce, WA | 18.7 miles | NW |
| South Tacoma Swamp | Pierce, WA | 20 miles | NW |
| Crawford Marsh | Pierce, WA | 20.5 miles | NW |
| Kinsey Marsh | Pierce, WA | 21 miles | SW |
| Kennedy Marsh | Pierce, WA | 23 miles | SW |
| Park Marsh | Pierce, WA | 23.9 miles | SW |
| Elliot Marsh | Pierce, WA | 24.2 miles | SW |
| Halverson Marsh | Pierce, WA | 24.4 miles | SW |
| Farrell Marsh | Pierce, WA | 24.7 miles | NW |
| Brandenburg Marsh | Pierce, WA | 24.9 miles | SW |
| Denton Marsh | Pierce, WA | 25.1 miles | SW |
| Wright Marsh | Pierce, WA | 25.5 miles | SW |
| Hanner Marsh | Pierce, WA | 25.7 miles | SW |
| MacKay Marsh | Pierce, WA | 25.8 miles | SW |
| Shannon Marsh | Pierce, WA | 26.2 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 26.2 miles | SE |
| Winchester Swamp | Pierce, WA | 26.7 miles | NW |
| Edmond Marsh | Pierce, WA | 26.7 miles | SW |
| Kimball Creek Swamp | King, WA | 27 miles | NE |
| Parsnip Swamp | Thurston, WA | 27.8 miles | SW |
| Metcalf Marsh | King, WA | 34.8 miles | NE |
| North Fork Swamp | Lewis, WA | 36.6 miles | SE |
| Ronald Bog | King, WA | 43 miles | NW |
| Harts Swamp | King, WA | 43.2 miles | NE |
| Roths Swamp | Snohomish, WA | 43.8 miles | NE |
| Trestle Swamp | Snohomish, WA | 44 miles | NE |
| Long Marsh | Mason, WA | 44.1 miles | NW |
| McCaslin Marsh | Kitsap, WA | 45.2 miles | NW |
| Johnsons Swamp | Snohomish, WA | 45.3 miles | NE |
| Morgan Marsh | Kitsap, WA | 46.8 miles | NW |
| The Peat Bog | Mason, WA | 48.7 miles | NW |
| Lilliwaup Swamp | Mason, WA | 56.2 miles | NW |
| Deer Meadow | Mason, WA | 57.2 miles | NW |
| Mint Marsh | Mason, WA | 57.9 miles | NW |
| Cranberry Marsh | Mason, WA | 59.8 miles | NW |
| Cedar Swamp | Yakima, WA | 60.8 miles | SE |
| Huckleberry Swamp | Yakima, WA | 61 miles | SE |
| Castle Creek Marsh | Cowlitz, WA | 63.7 miles | SW |
| Miller Swamp | Lewis, WA | 64.4 miles | SW |
| Deckerville Swamp | Mason, WA | 66.4 miles | NW |
| Goat Marsh | Cowlitz, WA | 69.5 miles | SW |
| Grays Marsh | Clallam, WA | 80.8 miles | NW |
| Waterloo Marsh | Island, WA | 82.7 miles | NW |
| Stadleman Swamp | Skamania, WA | 84.3 miles | SE |
| Cow Creek Meadows | Chelan, WA | 88 miles | NE |
| Hog Swamp | Yakima, WA | 88.7 miles | SE |
| Old Channel | Skagit, WA | 91.5 miles | NW |
| Olympia Marsh | Skagit, WA | 93.5 miles | NW |
|