Summer Camping in Illinois
Discover the best summer camping across Illinois. Experience the best of outdoor camping during the warmest months. Long days, starry nights, and endless adventure await.
Summer Camping in Other States
Featured Campgrounds
Handpicked destinations that define the region
Sullivan Marina And Campground
Launch your boat straight from your campsite into Lake Shelbyville's expansive waters, where summer days unfold with fishing at dawn and sunset cruises across 11,000 shimmering acres.
Forrest W. Bo Wood
Swimming, boating, and fishing adventures launch directly from the northern shore of Lake Shelbyville, where 140+ shaded campsites spread beneath oak and hickory trees.
Thomson Causeway
The Mississippi River surrounds your campsite on three sides, creating a secluded island retreat where you can fish from your tent, paddle through quiet backwaters, and spot bald eagles overhead.
About Summer Camping in Illinois
Summer camping in Illinois offers an exceptional blend of waterfront recreation and natural beauty, with pristine lakes, winding rivers, and lush forests providing the perfect backdrop for warm-weather adventures. From the expansive waters of Lake Shelbyville in central Illinois to the mighty Mississippi River along the western border and the scenic Rend Lake in the south, the state's diverse landscapes create ideal conditions for swimming, boating, fishing, and lakeside relaxation.
Best Time
The prime summer camping season in Illinois runs from Memorial Day weekend through Labor Day, with peak activity occurring during July and August when temperatures consistently reach the comfortable 80s, perfect for water activities and outdoor recreation. June offers excellent conditions with fewer crowds and lower humidity, making it ideal for families seeking a quieter experience before school vacations begin.
Season Highlights
- Warm weather and long days
- Swimming and water activities
- Full amenities and services
- Family-friendly activities
Explore Summer Camping in Illinois
Browse 20 campgrounds on our interactive map. Filter by amenities, price, ratings, and more.
Plan Your Trip
Popular Activities
Tips & Recommendations
- 1Reserve campsites well in advance for summer weekends, especially at popular Lake Shelbyville and Rend Lake locations where waterfront sites book up quickly.
- 2Many Illinois campgrounds operate through the Recreation.gov system for federal sites or individual state park reservation systems, so familiarize yourself with the specific booking platform for your chosen destination.
- 3Bring plenty of insect repellent and consider a screened shelter or tent with good ventilation, as mosquitoes can be active near water during early morning and evening hours.
- 4Pack sun protection including high-SPF sunscreen, wide-brimmed hats, and UV-protective clothing, as shade can be limited at some lakeside sites.
Summer Camping in Illinois FAQ
We've ranked 20+ summer campgrounds in Illinois based on weather, amenities, and user reviews. Top options include campgrounds with shade, water access, and good summer conditions.
June through August is prime summer camping season in Illinois. June and September offer pleasant weather with fewer crowds, while July and August are peak season.
For summer camping in Illinois, bring sun protection, plenty of water, cooling gear, and light layers for cooler evenings. Bug spray is essential in many areas.
Popular Illinois Campgrounds Book Fast
The best summer camping in Illinois book up quickly. Set up free alerts to catch cancellations.
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Sullivan Marina And Campground
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Find Your Perfect Illinois Campground
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- Search 20+ summer camping in Illinois
- Set alerts for hard-to-book sites
- Get personalized recommendations for your trip
- Compare campground amenities
- Check weather forecasts
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