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Parks and campgrounds in Illinois

4 park pages and 0 campground pages so far, from National Park Service and Recreation.gov records.

National park units

Lewis & Clark National Historic Trailentrance fee: None, visitor centers: 1
Mormon Pioneer National Historic Trailentrance fee: None
Pullman National Historical Parkentrance fee: None, busiest month (2025): May
Trail Of Tears National Historic Trailentrance fee: None