State Park / State Forest · Illinois
Chain O' Lakes State Park Campground
Near Spring Grove, Illinois — $20–$35 a night and rigs to 50 ft by our record.
Quick answer
Can I bring an RV to Chain O' Lakes State Park Campground?
What length RV fits Chain O' Lakes State Park Campground? Our record: Chain O' Lakes State Park Campground takes rigs up to 50 ft. 6 months ahead via IL ReserveAmerica. Book on the operator's own page.
- Open: Our record: April through October.
Camping at Chain O' Lakes State Park Campground? Tell us the nights.
One email when an Illinois owner lists a rig for those nights.
No date selected
No date selected
On the ground
10 connected lakes — Illinois's largest interconnected waterway. Boat rentals at the marina; weekend traffic on the chain is heavy summer. Class A loop has the longest sites for big rigs.
From our record
- Open
- April through October
- Booking
- 6 months ahead via IL ReserveAmerica
- On site
- Water + electric, Showers, Pets allowed, Fire rings
- Camping styles
- RV-friendly, Tent camping
What a posted rig limit measures
- Pad length — the rig plus anything it tows
- Height — what the branches and the awning need
- Turning arc — the swing off the loop road
Keep planning Illinois
More Illinois campgrounds
Around Spring Grove
The rest of the Illinois trip
Chain O' Lakes State Park Campground questions
- What length RV fits Chain O' Lakes State Park Campground?
- Our record: Chain O' Lakes State Park Campground takes rigs up to 50 ft.
- When is Chain O' Lakes State Park Campground open?
- Our record: April through October.
- How do I reserve a site at Chain O' Lakes State Park Campground?
- 6 months ahead via IL ReserveAmerica. Book on the operator's own page.
Before you go
Illinois rules for RV renters
Illinois rules
Verified 2026-05-10
- Rental tax
- 7%
- Min driver age
- 21+ · 25+ Class A
- Gravel roads
- Allowed, disclose
- Generator quiet hours
- 22:00-07:00
- Alcohol in cabin
- No open container
- Dump station
- Standard