| Big Marsh | Cook, IL | 14 miles | SE |
| Indian Ridge Marsh | Cook, IL | 14.6 miles | SE |
| Hyde Lake Wetlands | Cook, IL | 15.8 miles | SE |
| Hegewisch Marsh | Cook, IL | 16.1 miles | SE |
| Cramer Slough | Cook, IL | 18.4 miles | SW |
| Horse Collar Slough | Cook, IL | 19.1 miles | SW |
| Cowles Bog | Porter, IN | 32.4 miles | SE |
| Bluff Spring Fen | Cook, IL | 33.5 miles | NW |
| Rays Lake | Lake, IL | 36.4 miles | NW |
| Cotton Creek Marsh | McHenry, IL | 40 miles | NW |
| Moore Swamp | Porter, IN | 41.4 miles | SE |
| Hotter Lagoon | Porter, IN | 41.5 miles | SE |
| Big Slough (historical) | Kendall, IL | 42.3 miles | SW |
| Pike Marsh | McHenry, IL | 42.4 miles | NW |
| Volo Bog | Lake, IL | 43.1 miles | NW |
| Goose Pond Swamp | Newton, IN | 43.4 miles | SE |
| Leatherleaf Bog | McHenry, IL | 43.6 miles | NW |
| Warrior Marsh | McHenry, IL | 43.9 miles | NW |
| Pinhook Bog | LaPorte, IN | 44.3 miles | SE |
| Turnberry Wetlands | McHenry, IL | 45.4 miles | NW |
| Crosby Marsh | LaPorte, IN | 46.6 miles | SE |
| Crosby Marsh | Berrien, MI | 46.9 miles | SE |
| Lily Lake | McHenry, IL | 47 miles | NW |
| Streets Lake | McHenry, IL | 56.7 miles | NW |
| Long Lake | Berrien, MI | 68.1 miles | NE |
| Webster Lake | Berrien, MI | 68.2 miles | NE |
| Mills Lake | Berrien, MI | 69.4 miles | NE |
| Wildcat Bog | La Salle, IL | 69.5 miles | SW |
| Steinbauer Lake | Berrien, MI | 69.9 miles | NE |
| Half Moon Lake | Berrien, MI | 70.3 miles | NE |
| Bernhart Lake | Berrien, MI | 71.9 miles | NE |
| Dyckman Swamp | Van Buren, MI | 75 miles | NE |
| Goose Lake | Cass, MI | 75.9 miles | SE |
| Dowagiac Swamp | Cass, MI | 76.7 miles | NE |
| Dibble Lake | Cass, MI | 77 miles | SE |
| Long Lake | Cass, MI | 78.9 miles | SE |
| Mud Lake Swamp | Allegan, MI | 90.1 miles | NE |
| Bowers Lake | Rock, WI | 90.8 miles | NW |
| Mud Lake | Jefferson, WI | 91 miles | NW |
| Slabtown Pond | Jefferson, WI | 91 miles | NW |
| Tamarac Swamp | Waukesha, WI | 91 miles | NW |
| Forked Lake | Cass, MI | 91.8 miles | NE |
| Willets Lake | Kosciusko, IN | 93.1 miles | SE |
| Grass Lake | Rock, WI | 94.3 miles | NW |
| Cranberry Marsh | Rock, WI | 94.5 miles | NW |
| Ottawa Marsh | Allegan, MI | 96.2 miles | NE |
| Swan Creek Marsh | Allegan, MI | 97.1 miles | NE |
| Turtle Lake | Dane, WI | 99.6 miles | NW |
| Sweet Lake | Dane, WI | 99.9 miles | NW |
| Pine Island | Kalamazoo, MI | 99.9 miles | NE |
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