Campgrounds in Williamson County include facilities managed by county parks and recreation departments, state land management agencies, and federal bureaus, offering diverse camping options across the county's natural landscapes. There are 3 Campground locations in Williamson County, Illinois.

Visitors to campgrounds in Williamson County should check whether sites require advance reservations or operate on a first-come, first-served basis, and confirm whether the campground is managed by the county, state, or a federal agency to use the correct reservation system.

List of Williamson County, Illinois Campground

21 Guns Campground

View Details Call Now (217) 382-3396

21 Guns Campground

Address
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Hours

Casey Koa Campground

View Details Call Now (800) 562-9113

Casey Koa Campground

Address
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Hours

Wilderness Lake Campground

View Details Call Now (217) 279-3396

Wilderness Lake Campground

Address
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Hours

Campers in Williamson County should check the managing agency's website for current fire restrictions, park alerts, and facility closures before departing, as conditions — particularly during dry seasons — can result in campfire bans or temporary campground closures with little advance notice.

You may also find Campground locations in neighboring counties including Clark, Cumberland, Coles.