Cahokia RV Parque
Cahokia, IL · 15 mi from O'Fallon
4.0 (5 reviews)
4.0
- Wi Fi
- Restrooms
- Restaurant
- Waterfront
Top Campgrounds near O'Fallon
57 campgrounds
951 available sites
Counts cover all matching campgrounds and distinct individual hosts across all pages. A host with multiple listings is counted once. Sites are active listed accommodations; availability for your dates must be checked separately.
I-55 RV Park & Campground
Edwardsville, IL · 15.2 mi from O'Fallon
3.6 (5 reviews)
Closed for Season
St. Louis N.E. / I-270 / Granite City KOA Journey
Granite City, IL · 16.1 mi from O'Fallon
- Wi Fi
- Pet Area
- Swimming Pool
- Pavilion
Love's RV Hookup-Hamel IL 578
Hamel, IL · 21 mi from O'Fallon
4.4 (5 reviews)
Love's RV Hookup-Hamel IL 578 provides RV travelers with a safe and clean stop off Hwy 140, featuring 30-amp and 50-amp electric service, water hookups, Wi-Fi, and a communal dump station. Guests enjoy a seamless check-in process via their devices...
- RV sites: 6
- Power Service
- Wi Fi
- Pet friendly
- Water Hookup
Boonies Farm
Worden, IL · 23.4 mi from O'Fallon
4.8 (5 reviews)
Shale Lake
Williamson, IL · 28.6 mi from O'Fallon
4.6 (5 reviews)
- Deck or Patio
- View
- Outdoor Seating
- Fire Pit
Rustic Acres Jellystone Park™
New Douglas, IL · 29.2 mi from O'Fallon
4.6 (5 reviews)
Jellystone Park™ New Douglas
New Douglas, IL · 29.2 mi from O'Fallon
4.6 (5 reviews)
Season starts on May 1, 2027
Closed for Season
Dam West Day Use
Carlyle, IL · 29.3 mi from O'Fallon
4.1 (28 reviews)
Dam West Day Use Area is located on the southern shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a peaceful retreat for city-dwellers and families, blending small-town charm with the vastness of Illinois' largest man-made lake.
- Beach Access
- Showers
- Marina
- Playground
Season starts on May 1, 2027
Closed for Season
Dam West Spillway
Carlyle, IL · 29.9 mi from O'Fallon
Dam West Spillway is located on the southern shore of Carlyle Lake, Illinois' largest man-made lake, 50 mi east of St. Louis. It serves as a peaceful retreat for city-dwellers and families. The area combines the charm of a small town with scenic l...
- Potable Water
- Pet friendly
- River Access
Season starts on April 2, 2027
Closed for Season
Dam West Campground
Carlyle, IL · 30 mi from O'Fallon
4.7 (799 reviews)
Dam West Campground is a recreational area on the southern shore of Carlyle Lake, ideal for families and city-dwellers seeking a getaway. It is located 50 mi east of St. Louis and offers a tranquil small-town atmosphere alongside Illinois' largest...
- RV sites: 109
- Tent sites: 109
- Potable Water
- Dump station on site
Season starts on May 1, 2027
Closed for Season
Dam East Spillway (Day Use)
Carlyle, IL · 30.3 mi from O'Fallon
5.0 (1 review)
The Dam East Spillway Day Use Area is located on the southern shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a tranquil escape for city-dwellers and families, combining a small-town atmosphere with the beauty of Illinois' largest man...
- Potable Water
- Playground
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Dam East - Mcnair Campground
Carlyle, IL · 31.7 mi from O'Fallon
4.5 (1040 reviews)
Dam East-McNair Campground is located on the southern shore of Carlyle Lake, ideal for city-dwellers and families seeking a peaceful getaway. It is situated 50 mi east of St. Louis, offering a small-town atmosphere alongside Illinois' largest man-...
- RV sites: 31
- Tent sites: 46
- Potable Water
- Beach Access
- Showers
- Dump station on site
Season starts on May 1, 2027
Closed for Season
Dam East Rec. Area (Day Use)
Carlyle, IL · 32.6 mi from O'Fallon
Dam East Recreation Area is located on the southern shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a peaceful getaway for city-dwellers and families, combining small-town charm with the beauty of Illinois' largest man-made lake.
- Lake Access
Sundermeier RV Park & Conference Center
Saint Charles, MO · 33.5 mi from O'Fallon
3.4 (5 reviews)
Season starts on May 1, 2027
Closed for Season
Coles Creek Day Use
Carlyle, IL · 35.1 mi from O'Fallon
3.8 (5 reviews)
Coles Creek Day Use Area is located on the eastern shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a perfect getaway for city-dwellers and families, offering a tranquil small-town atmosphere. Visitors can enjoy the beauty of Illinois'...
- Potable Water
- Beach Access
Season starts on April 30, 2027
Closed for Season
Coles Creek Campground
Carlyle, IL · 35.4 mi from O'Fallon
4.6 (992 reviews)
Coles Creek Campground is located on the eastern shore of Carlyle Lake, about 50 mi east of St. Louis. It serves as an ideal retreat for city-dwellers and families, blending the charm of a small town with the beauty of Illinois' largest man-made l...
- RV sites: 145
- Tent sites: 145
- Potable Water
- Beach Access
- Pet friendly
- Lake Access
Season starts on May 1, 2027
Closed for Season
Lotus Group Area
Carlyle, IL · 35.6 mi from O'Fallon
4.4 (8 reviews)
The Lotus Group Area, situated 50 mi east of St. Louis on the eastern shore of Carlyle Lake, serves as a serene getaway for city-dwellers and families. It combines the charm of a small town with the beauty of Illinois’ largest man-made lake.
- Playground
Season starts on May 1, 2027
Closed for Season
Keyesport Rec. Area
Carlyle, IL · 35.7 mi from O'Fallon
2.0 (3 reviews)
Keyesport Recreation Area is located on the western shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a peaceful retreat for city-dwellers and families, blending the charm of small towns with the beauty of Illinois' largest man-made lake.
- Beach Access
- Marina
Season starts on April 16, 2027
Closed for Season
Boulder Campground
Carlyle, IL · 37.2 mi from O'Fallon
4.6 (824 reviews)
Boulder Campground is located on the eastern shore of Carlyle Lake, 50 mi east of St. Louis. It serves as a serene escape for city-dwellers and families, combining small-town charm with the beauty of Illinois' largest manmade lake.
- RV sites: 82
- Tent sites: 82
- Potable Water
- Lake Access
- Showers
- Marina
Explore O'Fallon, IL
Population: 32,262
Nearby city: St. Louis, MO
Approx. 15 mi away (straight-line distance)
Elevation: 548 ft
About O'Fallon, Illinois
O’Fallon, Illinois sits on the Metro East side of St. Louis, making it a convenient base for campgrounds and RV parks near the Mississippi River valley. From here, campers can reach regional public lands and lakes for hiking, paddling, and fishing, including popular nearby destinations like Carlyle Lake and Horseshoe Lake State Park. With quick highway access, it’s easy to blend outdoor time with in-town conveniences before heading out for day trips.
Near O’Fallon, you’ll find 49 outdoor stays, primarily RV parks and tent camping. Rates commonly run from about $5 to $84 per night, with averages around $25. Many area campgrounds operate spring through fall, with fewer winter options, so check seasonal schedules and book early for weekends. Tent sites are available in smaller numbers, while cabins or glamping are limited. For smoother trip planning, confirm site types, hookups, and length limits, and stock up on supplies in town before visiting lakes, trails, and river access points.
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Frequently Asked Questions
O'Fallon has 57 campgrounds and RV parks listed on OutReserve, ranging from full-hookup RV sites to rustic tent camping. Based on guest ratings, Dam East Spillway (Day Use) is one of the top-rated options. Use our map view to find the closest options to the city center or your preferred area.
Campgrounds near O'Fallon vary in distance from the city center. Use our map view to filter by location and find the most convenient option for your trip.
Many campgrounds near O'Fallon welcome pets. Dam West Campground is a great pet-friendly option. Use the pet-friendly filter on our search page to find more properties that accommodate your furry companions.
Most destinations offer a variety of accommodations including tent sites, RV sites, cabins, yurts, and glamping options. Check individual property listings for specific amenities and site types.
The best time to visit depends on your preferences and planned activities. Spring and fall typically offer mild weather and fewer crowds, while summer is peak season with the warmest temperatures. Winter visits can be great for those seeking solitude and winter activities.