Lincoln’s New Salem State Historic Site and Campground
https://www.lincolnsnewsalem.com/
15588 History Lane
Petersburg, Illinois 62675
217-632-4000
Camping reservations: https://camp.exploremoreil.com/location/288
Always good to visit the Hand of Fate Brewery, 107 E Douglas St Petersburg, IL 62675 while you are there. Great food and beer flights!