| Ronald Bog | King, WA | 6.6 miles | SW |
| Harts Swamp | King, WA | 12 miles | NE |
| Trestle Swamp | Snohomish, WA | 13 miles | NE |
| Roths Swamp | Snohomish, WA | 13.5 miles | NE |
| Johnsons Swamp | Snohomish, WA | 13.6 miles | NE |
| Metcalf Marsh | King, WA | 23.2 miles | SE |
| Kimball Creek Swamp | King, WA | 24.7 miles | SE |
| Mooney Swamp | King, WA | 31.7 miles | SE |
| Winchester Swamp | Pierce, WA | 32.9 miles | SW |
| McCaslin Marsh | Kitsap, WA | 34.3 miles | SW |
| Morgan Marsh | Kitsap, WA | 35.6 miles | SW |
| Long Marsh | Mason, WA | 39 miles | SW |
| South Tacoma Swamp | Pierce, WA | 40.2 miles | SW |
| Owens Marsh | Pierce, WA | 42 miles | SW |
| Waterloo Marsh | Island, WA | 42.9 miles | NW |
| Bear Swamp | King, WA | 42.9 miles | SE |
| Crawford Marsh | Pierce, WA | 43 miles | SW |
| Farrell Marsh | Pierce, WA | 45.5 miles | SW |
| The Peat Bog | Mason, WA | 45.5 miles | SW |
| Park Marsh | Pierce, WA | 46.9 miles | SW |
| Elliot Marsh | Pierce, WA | 47.3 miles | SW |
| Kinsey Marsh | Pierce, WA | 47.4 miles | SW |
| Grays Marsh | Clallam, WA | 47.6 miles | NW |
| Kennedy Marsh | Pierce, WA | 48.5 miles | SW |
| Lilliwaup Swamp | Mason, WA | 49 miles | SW |
| Hanner Marsh | Pierce, WA | 49 miles | SW |
| MacKay Marsh | Pierce, WA | 49.4 miles | SW |
| Edmond Marsh | Pierce, WA | 49.7 miles | SW |
| Old Channel | Skagit, WA | 50.1 miles | NW |
| Mint Marsh | Mason, WA | 50.4 miles | SW |
| Wright Marsh | Pierce, WA | 50.9 miles | SW |
| Shannon Marsh | Pierce, WA | 51.5 miles | SW |
| Olympia Marsh | Skagit, WA | 51.8 miles | NW |
| Deer Meadow | Mason, WA | 54 miles | SW |
| Halverson Marsh | Pierce, WA | 54.1 miles | SW |
| Brandenburg Marsh | Pierce, WA | 54.4 miles | SW |
| Denton Marsh | Pierce, WA | 55 miles | SW |
| Cranberry Marsh | San Juan, WA | 55.6 miles | NW |
| Stella Swamp | Skagit, WA | 61.5 miles | NW |
| Parsnip Swamp | Thurston, WA | 64.8 miles | SW |
| Cranberry Marsh | Mason, WA | 66.4 miles | SW |
| Musto Marsh | Whatcom, WA | 66.6 miles | NE |
| Beljica Meadows Lake | Pierce, WA | 67.8 miles | SE |
| Cow Creek Meadows | Chelan, WA | 71 miles | NE |
| Deckerville Swamp | Mason, WA | 71.4 miles | SW |
| North Fork Swamp | Lewis, WA | 78.3 miles | SE |
| Pangborn Lake | Whatcom, WA | 85.4 miles | NW |
| Miller Swamp | Lewis, WA | 91.8 miles | SW |
| Cedar Swamp | Yakima, WA | 99.6 miles | SE |
| Huckleberry Swamp | Yakima, WA | 100.1 miles | SE |
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