Dispersed camping near Harrisburg, Illinois centers primarily on the southern portion of Shawnee National Forest, where elevations range from 350 to 1,064 feet. The region experiences hot, humid summers with temperatures often exceeding 90°F and mild winters with occasional snow. Most primitive sites lack cellular coverage, with campers reporting complete signal loss upon entering forest areas, particularly at Dutchman Lake Camp where "Verizon works well" is a notable exception.
What to do
Hiking the lake trails: Lake Glendale Recreation Area features a 3-mile trail circling the water. According to visitors, "an easy 3 mile hike around the lake" provides access to "two large shelters built by the CCC as well as the boat ramp, dam, and swimming beach."
Rock climbing challenges: Jackson Falls attracts climbers to its sandstone formations. A camper notes the area is "popular with climbers" though non-climbers might find it challenging as "there's no clear way to climb down on either trail" to reach the bottom of the falls.
Seasonal waterfall viewing: While Jackson Falls is the primary waterfall destination, water flow varies dramatically by season. One visitor reported, "we went during a dry spell and there was no running water at the falls! Still had a blast there though!" Another mentioned "no falls since it hasn't rained in a while" during autumn visits.
Fishing opportunities: Dutchman Lake Camp offers "decent fishing" according to reviews, making it a convenient spot for anglers. One camper called it a "great little spot right off the interstate. Lots of nice scenery and decent fishing."
What campers like
Privacy between sites: Trail of Tears State Forest provides more secluded camping options. A visitor highlighted being "surprised to find nice porta potty at our site that was remote from others," appreciating the separation from neighboring campers.
CCC historical structures: The Civilian Conservation Corps legacy is visible throughout the region. At Lake Glendale, campers can explore "CCC buildings" and "historical sites in area" including "Illinois Iron Forge, Garden of the Gods, and segments of the Trail of Tears."
Accessibility for various vehicles: Dispersed Campsite Shawnee National Forest provides easy roadside camping. One review states it's "easily accessible by all rig types. Backs up to the open forest and you pull right back onto the highway."
Off-grid experience: Many campers value the disconnect from technology. At Jackson Falls, visitors report they "lost cellphone service immediately upon entering reserve" creating a true wilderness experience despite occasional crowds.
What you should know
Water crossing challenges: After rainfall, access roads to primitive sites can become problematic. At Jackson Falls, visitors warn the "hill down to trail head could get slick if wet weather" and one camper was "a little nervous getting out after it had rained."
Navigation difficulties: Several primitive areas lack clear signage. One Jackson Falls visitor noted, "we had a rough time locating this place. The roads weren't marked the same way they are on the website's map," while another recommended to "be sure to make sure you set the correct location into GPS. We ended up at the wrong location at first try."
Primitive facilities: Most dispersed sites have minimal amenities. At Jackson Falls, there's "a single vault toilet" that's occasionally described as "a bit dirty" and campers should "bring hand sanitizer or water" since potable water isn't available.
Weekend crowding: Popular sites fill quickly, especially during holidays. One visitor reported Jackson Falls was "incredibly packed during the Memorial Day weekend" with sites that were "one on top of the other without any cover in between or from the trail."
Tips for camping with families
Beach activities: Lake Glendale Recreation Area offers swimming opportunities beyond hiking. Families appreciate that "the beach and swimming area was so nice for us to enjoy" and "the kids love the playground."
Wildlife awareness: Parents should prepare for abundant wildlife encounters. One visitor to Jackson Falls noted, "there are lots of ticks and poison ivy everywhere" while others mention bringing appropriate repellents and identification guides.
Fire preparation: Firewood availability varies by location. At Jackson Falls, campers advise to "bring your own firewood. From inside the state of IL of course" and another mentioned "we scavenged wood from the hills around but ultimately had to leave and purchase wood."
Supply planning: The nearest provisions are in Harrisburg or smaller communities. For Lake Glendale, "Harrisburg, Il [is] not too far... if you need to stock up on supplies enroute to your camping excursion" while Trail of Tears State Forest is "30 min into Cape Girardeau and 15 min to Anna."
Tips from RVers
Road condition awareness: Access roads vary significantly in quality throughout Shawnee National Forest. At Jackson Falls, one RVer noted, "We run a 28ft RV and we're able to cross the first water wash without problem" but cautioned others might have difficulty, while another mentioned "the road is a rough road and your car will get dirty."
Site selection strategy: For larger rigs, Lake Glendale provides better options. A reviewer noted the campground has "plenty of room for the bigger rigs" and "water hookups as well as electric" at many sites. Another camper mentioned "sites are pretty private and some of them are nice and large."
Parking alternatives: When primitive roads prove challenging, look for alternative parking. At Jackson Falls, one RV owner explained, "We opted to turn around and stay at the main parking lot which is VERY accessible. The further sites will require crossing several wash outs."
