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- Chautauqua National Wildlife Refuge
- Midewin Tallgrass Prairie
- Donnelley-Depue State Park
- Mackinaw River State Fish and Wildlife Area
- Kankakee River State Park
- Wolf Creek State Park
- Eagle Creek State Park
- Cache River State Natural Area
- Meredosia National Wildlife Refuge
- Emiquon National Wildlife Refuge
- Shawnee National Forest
- Crab Orchard National Wildlife Refuge
- Cypress Creek National Wildlife Refuge
- Middle Mississippi River National Wildlife Refuge
- Two Rivers National Wildlife Refuge
- Upper Mississippi N.W.F.R. - Savanna District
- Giant City State Park
- Illinois Beach State Park
- Illinois & Michigan Canal National Heritage Corridor
- Argyle Lake State Park
- Chain O' Lakes State Park
- Apple River Canyon State Park
- Goose Lake Prairie State Natural Area
- White Pines Forest State Park
- Mississippi Palisades State Park
- Starved Rock and Matthiessen
State Park Information
- Kickapoo State Park
- Hennepin Canal Parkway State Park
- Rock Cut State Park
- Silver Springs State Fish and Wildlife Area