State Guide
Explore Illinois Outdoors
Illinois offers 488 trails, 4 parks, and 471 campgrounds worth planning a trip around. The trail mix runs 338 easy, 148 moderate, and 2 difficult, so the state holds something for casual walkers and seasoned alpinists alike. Routes range from under a mile to 28 miles, with the toughest climbs gaining 3996 feet. Public lands worth knowing here include Lincoln Home National Historic Site, Pullman National Monument, and Starved Rock State Park. Among the trails hikers return to: Illinois Prairie Path, MCT Schoolhouse Bike Trail, and Wauponsee Glacial Trail.
Plan a day hike
Shortlist routes by difficulty, length, and elevation.
Find a weekend basecamp
Compare park areas and access to trails.
Book a campsite
Filter by site type, pricing, and open status.
Campgrounds in Illinois
Easy-to-compare options for tent, RV, and cabin stays.
Across The Street(ATS) RV & Tent Campground
Illinois
Adeline Jay-Geo Karis Illinois Beach State Park
Zion
Allison Lake Storey
Galesburg
American Legion Freedom Farm Campground
Illinois
Andalusia Slough
Taylor Ridge
Anderson Lake Conservation Area Campground
Illinois
Anderson Lake State Conservation Area
Astoria
Anderson's Campground
Illinois
Apple River Canyon
Illinois
Apple River Canyon State Park
Apple River
Archway RV Park
Mount Vernon
Arcola Camper Stop
Arcola
More Popular Trails
Strong options people open most often when researching Illinois.
Start Planning Illinois in 10 Minutes
Use this page as your launch point, then dive deeper with focused lists and details. We index 962 verified outdoor options across the state.