| Johnsons Swamp | Snohomish, WA | 26.2 miles | SE |
| Trestle Swamp | Snohomish, WA | 27.4 miles | SE |
| Roths Swamp | Snohomish, WA | 27.7 miles | SE |
| Harts Swamp | King, WA | 28 miles | SE |
| Olympia Marsh | Skagit, WA | 29.5 miles | NW |
| Old Channel | Skagit, WA | 31.6 miles | NW |
| Ronald Bog | King, WA | 34.3 miles | SW |
| Waterloo Marsh | Island, WA | 34.8 miles | NW |
| Musto Marsh | Whatcom, WA | 37.7 miles | NW |
| Metcalf Marsh | King, WA | 40.7 miles | SE |
| Stella Swamp | Skagit, WA | 44.2 miles | NW |
| Cranberry Marsh | San Juan, WA | 44.8 miles | NW |
| Kimball Creek Swamp | King, WA | 47.1 miles | SE |
| Grays Marsh | Clallam, WA | 51.7 miles | SW |
| Cow Creek Meadows | Chelan, WA | 57.6 miles | SE |
| Pangborn Lake | Whatcom, WA | 58.7 miles | NW |
| McCaslin Marsh | Kitsap, WA | 61 miles | SW |
| Mooney Swamp | King, WA | 61.1 miles | SW |
| Morgan Marsh | Kitsap, WA | 61.8 miles | SW |
| Winchester Swamp | Pierce, WA | 64 miles | SW |
| Long Marsh | Mason, WA | 66.7 miles | SW |
| Bear Swamp | King, WA | 70.4 miles | SE |
| South Tacoma Swamp | Pierce, WA | 71.6 miles | SW |
| The Peat Bog | Mason, WA | 72.6 miles | SW |
| Owens Marsh | Pierce, WA | 73.4 miles | SW |
| Lilliwaup Swamp | Mason, WA | 73.8 miles | SW |
| Crawford Marsh | Pierce, WA | 74.5 miles | SW |
| Mint Marsh | Mason, WA | 74.8 miles | SW |
| Farrell Marsh | Pierce, WA | 76.9 miles | SW |
| Park Marsh | Pierce, WA | 78.3 miles | SW |
| Elliot Marsh | Pierce, WA | 78.7 miles | SW |
| Kinsey Marsh | Pierce, WA | 78.8 miles | SW |
| Deer Meadow | Mason, WA | 79.7 miles | SW |
| Kennedy Marsh | Pierce, WA | 80 miles | SW |
| Hanner Marsh | Pierce, WA | 80.4 miles | SW |
| MacKay Marsh | Pierce, WA | 80.8 miles | SW |
| Edmond Marsh | Pierce, WA | 81.1 miles | SW |
| Wright Marsh | Pierce, WA | 82.3 miles | SW |
| Shannon Marsh | Pierce, WA | 82.9 miles | SW |
| Halverson Marsh | Pierce, WA | 85.5 miles | SW |
| Brandenburg Marsh | Pierce, WA | 85.8 miles | SW |
| Denton Marsh | Pierce, WA | 86.4 miles | SW |
| Cranberry Marsh | Mason, WA | 94.1 miles | SW |
| Parsnip Swamp | Thurston, WA | 95.9 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 96.2 miles | SE |
| Deckerville Swamp | Mason, WA | 98.1 miles | SW |
| Long Swamp | Okanogan, WA | 103.1 miles | NE |
|