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| Lighthouse |
| Metro and City Park |
| National Forest |
| National Historic Landmark |
| National Historic Site |
| National Historical Park |
| National Memorial |
| National Park |
| National Recreation Area |
| National Seashore |
| National Wildlife Area |
| National Wildlife Refuge |
| State Fish Hatchery |
| State Fishery Area |
| State Forest |
| State Historic Site |
| State Memorial |
| State Natural Area |
| State Nature Preserve |
| State Nursery |
| State Park |
| State Preserve |
| State Recreation Area |
| State Reserve |
| State Wildlife Area |
| State Wildlife Management Area |
| State Wildlife Refuge |
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| Heidecke State Fish and Wildlife Area | State Wildlife Area | 4.8 | Morris | Illinois |
| Goose Lake Prairie State Park | State Park | 7.2 | Goose Lake | Illinois |
| Channahon Parkway State Park | State Park | 10.9 | Channahon | Illinois |
| La Salle Lake State Fish and Wildlife Area | State Wildlife Area | 13.3 | Marseilles | Illinois |
| Mazonia State Fish and Wildlife Area | State Wildlife Area | 13.4 | Gardner | Illinois |
| Marseilles State Fish and Wildlife Area | State Wildlife Area | 14.2 | Marseilles | Illinois |
| Norwegian Settlers State Memorial | State Memorial | 14.9 | Sheridan | Illinois |
| Illini State Park | State Park | 15.4 | Marseilles | Illinois |
| Silver Springs State Park | State Park | 19.4 | Yorkville | Illinois |
| Fox River State Park | State Park | 20.7 | Ottawa | Illinois |