South Marcum Campground in IL -- Campground & RV Camping
South Marcum Campground in IL
CampgroundUSACE
2.0 mi from Benton
Official campground & reservations ↗
Rig fit
- Maximum published vehicle length: 94 ft.
- Longest published RV site: 76 ft.
- Longest published trailer site: 76 ft.
Campground details
Setting
South Marcum Campground occupies the southeastern shoreline of Rend Lake in southern Illinois, set among oak, hickory, and maple forests. The facility offers 158 reservable campsites with electric hookups on non-tent sites, hot showers, flush toilets, drinking water, a dump station, and a playground. Campers have direct access to the paved 20-mile Rend Lake Bike Trail, which winds along the lake and Big Muddy River. The adjacent day-use area provides a public boat ramp, while nearby lake attractions include swimming beaches, a 3D archery course, and a dog park.
Getting there: From I-57 take exit 71 and turn west onto Highway 14. After 3 miles turn right on Rend City Road, then right on Rend Lake Dam Rd. Continue 3 miles to the park entrance on the left.
- Little separation from through roads or other sites here, a 160-site campground with the nearest through road 0.4 miles off.
- Sits on broad, near-level ground.
- The Rend Lake shoreline is 0.2 mi off.
- Estimated night sky: Bortle 4, a rural sky with a glow on the horizon.
- Open country, with nothing named rising within 30 miles.
- Most sites here have an electric hookup, with most of them shaded.
Climate averages
October normals 46–69°F, 3.3″ precipitation. Monthly averages, PRISM 1991–2020.
Starlink Radar
Open sky · Terrain & buildings · Tree canopy
Estimated horizon in eight compass directions, using 10 m USGS elevation. Sky clearance 99 of 100.