Two vehicles camped on a rocky point above a big lake, seen from the air, the first fall color in the trees.

The Overland Directory · Midwest

Overland businesses in Illinois

Builders, mechanics, 4x4 shops, outfitters, campgrounds and guides in Illinois, and a free way to get build quotes while the list grows.

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Why Illinois is a driving state with almost no public land, and how to use the little there is

Federal agencies manage 414,772 acres in Illinois, 1.2 percent of the state, and the Bureau of Land Management holds twenty of them. The Forest Service has 304,723 acres, nearly all of it the Shawnee National Forest in the far south. The Fish and Wildlife Service has 90,726, the Department of Defense 19,264, and the National Park Service thirty-nine, because its Illinois units are houses and town blocks rather than landscapes. Across the whole state our build of the federal recreation database finds 24 federal campgrounds a vehicle can drive to, and 23 of them belong to the Army Corps of Engineers.

Acres of federal land 1
414,772
1.2 percent of Illinois. The BLM holds 20 acres and the national route layer records no BLM routes at all, so no BLM mileage appears on this page
Of Illinois is privately owned 25
97%
The Department of Natural Resources’s own figure. It also ranks the state 46th in the nation for publicly owned land
Acres in the Shawnee National Forest 5
289,000
The forest’s home page figure. Its About the Area page says 280,000 and the CRS counts 304,723 Forest Service acres statewide. All three are published
Federal campgrounds a vehicle can reach 2
24
23 on Army Corps of Engineers water and one in the Shawnee. 22 of them take reservations
Widest machine Illinois lets on an OHV trail 20
64 in
A recreational off-highway vehicle under 625 ILCS 5/1-168.8. The other two types are a 50-inch ATV and an off-highway motorcycle
Weight limit on a state natural resources road 18
20,000 lb
Ten tons of vehicle and contents together, unless a sign says otherwise, under 17 Ill. Adm. Code 110.160(g)
Charles Mound, the highest point in Illinois 3
1,235 ft
Jo Daviess County. Our own 3DEP reading at the USGS point is 1,234 feet. The low point is 279 feet where the Ohio joins the Mississippi at Cairo, a Corps of Engineers figure in the USGS table
Yearly rain in southern Illinois 28
48 in
Against under 32 inches in the north. Snow runs the other way, 36 inches a year up north and under 10 in the far south

Sources for this page

38
  1. Congressional Research Service. Federal Land Ownership: Overview and Data (R42346), Tables 1 and 2, data as of September 30, 2024. Retrieved September 25, 2026.
  2. Recreation.gov. Recreation Information Database (RIDB) full export, the site’s own build of it. Retrieved September 25, 2026.
  3. U.S. Geological Survey. Elevations and Distances in the United States, online edition. Illinois high and low points; the low point is footnoted to the Corps of Engineers. Retrieved September 25, 2026.
  4. U.S. Geological Survey. Geographic Names Information System and 3D Elevation Program point query. Elevation of the 3DEP surface at the GNIS coordinates of the named place, rounded to the nearest foot. Retrieved September 25, 2026.
  5. USDA Forest Service. Shawnee National Forest home page. Retrieved September 25, 2026.
  6. USDA Forest Service. Visitor Maps and Guides, including the two district Motor Vehicle Use Maps. Retrieved September 25, 2026.
  7. USDA Forest Service. Camping and Cabins: campground regulations and primitive camping. Retrieved September 25, 2026.
  8. USDA Forest Service. Wilderness Areas on Shawnee National Forest. Retrieved September 25, 2026.
  9. USDA Forest Service. Camp Cadiz Campground, including the forest’s statement of the primitive camping rule. Retrieved September 25, 2026.
  10. USDA Forest Service. Pine Hills Campground and the LaRue Pine Hills road. Retrieved September 25, 2026.
  11. USDA Forest Service. Garden of the Gods Recreation Area. Retrieved September 25, 2026.
  12. USDA Forest Service. Scenic Drives: LaRue Pine Hills road and the Ohio River National Scenic Byway. Retrieved September 25, 2026.
  13. USDA Forest Service. Respect Wildlife: Snake Road and the LaRue-Pine Hills/Otter Pond Research Natural Area. Retrieved September 25, 2026.
  14. USDA Forest Service. Forest Order 09-08-25-02, Occupancy and Use. Retrieved September 25, 2026.
  15. USDA Forest Service. Forest Order 09-08-25-04, Restrictions for the Use of Natural Areas. Retrieved September 25, 2026.
  16. USDA Forest Service. Forest Order 09-08-25-03, Shawnee Wilderness and Watersheds. Retrieved September 25, 2026.
  17. USDA Forest Service. Midewin National Tallgrass Prairie home page. Retrieved September 25, 2026.
  18. Illinois General Assembly, Joint Committee on Administrative Rules. 17 Ill. Adm. Code 110, Public Use of State Parks and Other Properties of the Department of Natural Resources. Retrieved September 25, 2026.
  19. Illinois General Assembly, Joint Committee on Administrative Rules. 17 Ill. Adm. Code 130, Camping on Department of Natural Resources Properties. Retrieved September 25, 2026.
  20. Illinois General Assembly, Joint Committee on Administrative Rules. 17 Ill. Adm. Code 135, Off-Highway Vehicle Trails on Properties Owned, Leased or Managed by the Department of Natural Resources, effective March 27, 2024. Retrieved September 25, 2026.
  21. Illinois General Assembly. 625 ILCS 5/12-401 and 5/12-405, Illinois Vehicle Code: restriction as to tire equipment and operating condition of pneumatic tires. Retrieved September 25, 2026.
  22. Illinois Department of Natural Resources. Off Road Trails at Sahara Woods State Recreation Area. Retrieved September 25, 2026.
  23. Illinois Department of Natural Resources. Sand Ridge State Forest, and About Sand Ridge State Forest. Retrieved September 25, 2026.
  24. Illinois Department of Natural Resources. Camping at Trail of Tears State Forest, with the winter road closure. Retrieved September 25, 2026.
  25. Illinois Department of Natural Resources. Illinois Recreational Access Program. Retrieved September 25, 2026.
  26. Illinois Department of Transportation. Winter Weather Operations, FY2026 winter operations investment through April 2026. Retrieved September 25, 2026.
  27. Illinois Department of Transportation. Ferry Services: the two free IDOT ferries on the Illinois River and the Cave-In-Rock Ferry. Retrieved September 25, 2026.
  28. Illinois State Climatologist, Illinois State Water Survey, Prairie Research Institute. Climate of Illinois. Retrieved September 25, 2026.
  29. Federal Highway Administration, America’s Byways. Great River Road, an All-American Road and National Scenic Byway. Retrieved September 25, 2026.
  30. Federal Highway Administration, America’s Byways. Historic Route 66, an All-American Road and National Scenic Byway. Retrieved September 25, 2026.
  31. Federal Highway Administration, America’s Byways. Historic National Road, an All-American Road. Retrieved September 25, 2026.
  32. Federal Highway Administration, America’s Byways. Lincoln Highway, a National Scenic Byway in Illinois. Retrieved September 25, 2026.
  33. Federal Highway Administration, America’s Byways. Illinois River Road, a National Scenic Byway. Retrieved September 25, 2026.
  34. Federal Highway Administration, America’s Byways. Meeting of the Great Rivers Scenic Route, a National Scenic Byway. Retrieved September 25, 2026.
  35. Office of the Federal Register. 36 CFR 327.7, Camping, at Corps of Engineers water resource development projects. Retrieved September 25, 2026.
  36. U.S. Army Corps of Engineers. Corps Lakes Gateway: Illinois projects, with the Carlyle, Rend, Shelbyville, Mississippi River and Rivers Project entries. Retrieved September 25, 2026.
  37. U.S. Fish and Wildlife Service. Crab Orchard National Wildlife Refuge, Visit Us: location, fees and passes. Retrieved September 25, 2026.
  38. National Park Service. National Park Service units and trails in Illinois. Retrieved September 25, 2026.

Reviewed September 25, 2026. Conditions, closures and rules change; check with the managing agency before you travel.

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