| Miller Swamp | Lewis, WA | 5.6 miles | SW |
| Parsnip Swamp | Thurston, WA | 33.5 miles | NE |
| Denton Marsh | Pierce, WA | 35 miles | NE |
| Brandenburg Marsh | Pierce, WA | 35.5 miles | NE |
| Halverson Marsh | Pierce, WA | 35.9 miles | NE |
| Shannon Marsh | Pierce, WA | 37 miles | NE |
| Wright Marsh | Pierce, WA | 37.7 miles | NE |
| Edmond Marsh | Pierce, WA | 38.4 miles | NE |
| MacKay Marsh | Pierce, WA | 38.9 miles | NE |
| Hanner Marsh | Pierce, WA | 39.2 miles | NE |
| Kennedy Marsh | Pierce, WA | 40.3 miles | NE |
| Elliot Marsh | Pierce, WA | 41 miles | NE |
| Cranberry Marsh | Mason, WA | 41.3 miles | NW |
| Park Marsh | Pierce, WA | 41.4 miles | NE |
| Kinsey Marsh | Pierce, WA | 41.9 miles | NE |
| Farrell Marsh | Pierce, WA | 42.6 miles | NE |
| Deckerville Swamp | Mason, WA | 44.7 miles | NW |
| Crawford Marsh | Pierce, WA | 45.7 miles | NE |
| Castle Creek Marsh | Cowlitz, WA | 46 miles | SE |
| Owens Marsh | Pierce, WA | 47.1 miles | NE |
| South Tacoma Swamp | Pierce, WA | 48.4 miles | NE |
| Cranberry Marsh | Pacific, WA | 48.8 miles | SW |
| Goat Marsh | Cowlitz, WA | 49 miles | SE |
| North Fork Swamp | Lewis, WA | 49.6 miles | SE |
| Cranberry Marsh | Pacific, WA | 50.8 miles | SW |
| Brallier Swamp | Clatsop, OR | 51.9 miles | SW |
| Burke Lake | Clatsop, OR | 52.8 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 54.2 miles | NE |
| Deer Meadow | Mason, WA | 54.9 miles | NW |
| The Peat Bog | Mason, WA | 54.9 miles | NE |
| Winchester Swamp | Pierce, WA | 55.2 miles | NE |
| Long Marsh | Mason, WA | 57.8 miles | NE |
| Lilliwaup Swamp | Mason, WA | 59.9 miles | NW |
| Mint Marsh | Mason, WA | 60.5 miles | NW |
| McCaslin Marsh | Kitsap, WA | 63.7 miles | NE |
| Morgan Marsh | Kitsap, WA | 63.9 miles | NE |
| Mooney Swamp | King, WA | 65.1 miles | NE |
| Bear Swamp | King, WA | 65.1 miles | NE |
| Virginia Lake | Multnomah, OR | 67.7 miles | SE |
| Holcomb Lake | Washington, OR | 73.9 miles | SE |
| Mimsi Marsh (not official) | Clark, WA | 75.8 miles | SE |
| Stadleman Swamp | Skamania, WA | 82.2 miles | SE |
| Huckleberry Swamp | Yakima, WA | 82.5 miles | SE |
| Cedar Swamp | Yakima, WA | 83.1 miles | SE |
| Kimball Creek Swamp | King, WA | 84.4 miles | NE |
| Ronald Bog | King, WA | 85 miles | NE |
| Aders Sump | Yamhill, OR | 90 miles | SE |
| Metcalf Marsh | King, WA | 91.8 miles | NE |
| Cedar Swamp | Skamania, WA | 91.9 miles | SE |
| Harts Swamp | King, WA | 95.3 miles | NE |
|