| Volo Bog | Lake, IL | 30.3 miles | SW |
| Rays Lake | Lake, IL | 31.3 miles | SW |
| Warrior Marsh | McHenry, IL | 33.1 miles | SW |
| Streets Lake | McHenry, IL | 33.1 miles | SW |
| Leatherleaf Bog | McHenry, IL | 33.4 miles | SW |
| Pike Marsh | McHenry, IL | 33.6 miles | SW |
| Tamarac Swamp | Waukesha, WI | 35.2 miles | NW |
| Cotton Creek Marsh | McHenry, IL | 35.5 miles | SW |
| Lily Lake | McHenry, IL | 40.3 miles | SW |
| Mud Lake | Jefferson, WI | 43.8 miles | NW |
| Turnberry Wetlands | McHenry, IL | 44.4 miles | SW |
| Slabtown Pond | Jefferson, WI | 45.8 miles | NW |
| Cedarburg Bog | Ozaukee, WI | 49 miles | NW |
| Bluff Spring Fen | Cook, IL | 52 miles | SW |
| Bowers Lake | Rock, WI | 56.5 miles | NW |
| Grass Lake | Rock, WI | 59.7 miles | NW |
| Cranberry Marsh | Rock, WI | 60.1 miles | NW |
| Wayne Marsh | Washington, WI | 60.8 miles | NW |
| Turtle Lake | Dane, WI | 63.2 miles | NW |
| Sweet Lake | Dane, WI | 63.4 miles | NW |
| Adell Swamp | Sheboygan, WI | 63.6 miles | NW |
| Cascade Swamp | Sheboygan, WI | 67.3 miles | NW |
| Cramer Slough | Cook, IL | 68.3 miles | SW |
| Horse Collar Slough | Cook, IL | 68.4 miles | SW |
| Muskrat Lake | Rock, WI | 68.6 miles | NW |
| McCoullough Marsh | Fond du Lac, WI | 68.9 miles | NW |
| Big Marsh | Cook, IL | 70.6 miles | SE |
| Indian Ridge Marsh | Cook, IL | 71.2 miles | SE |
| Shaw Marsh | Dodge, WI | 71.7 miles | NW |
| Hyde Lake Wetlands | Cook, IL | 72.4 miles | SE |
| Hegewisch Marsh | Cook, IL | 72.8 miles | SE |
| Horicon Marsh | Dodge, WI | 73 miles | NW |
| Deansville Marsh | Dane, WI | 75.1 miles | NW |
| Mullet Marsh | Fond du Lac, WI | 76 miles | NW |
| Brazee Swamp (historical) | Dane, WI | 77.7 miles | NW |
| Big Slough (historical) | Kendall, IL | 78.5 miles | SW |
| Dyckman Swamp | Van Buren, MI | 81.1 miles | SE |
| Cowles Bog | Porter, IN | 81.8 miles | SE |
| Barney Swamp | Dane, WI | 83.3 miles | NW |
| Great Central Marsh (historical) | Dane, WI | 83.7 miles | NW |
| Devils Kitchen | Muskegon, MI | 84.2 miles | NE |
| Crosby Marsh | LaPorte, IN | 84.9 miles | SE |
| Crosby Marsh | Berrien, MI | 85 miles | SE |
| Gallagher Marsh | Fond du Lac, WI | 85.1 miles | NW |
| Cutters Boom | Ottawa, MI | 85.9 miles | NE |
| Mud Lake Swamp | Allegan, MI | 86.2 miles | SE |
| Mills Lake | Berrien, MI | 87.1 miles | SE |
| Eldorado Marsh | Fond du Lac, WI | 87.3 miles | NW |
| Schoenberg Marsh | Columbia, WI | 88.1 miles | NW |
| Pinhook Bog | LaPorte, IN | 89.5 miles | SE |
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