Ferne Clyffe State Park - United States

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About Ferne Clyffe State Park

RV quick facts for Ferne Clyffe State Park

DetailInformation
Max RV lengthVaries by loop; most sites suit rigs up to about 30 ft
Full hookupsNo; Class B electric sites available in the main campground
Dump stationAvailable on site at the park campground
Cell serviceGenerally usable on major carriers; weaker in deep canyons
Road restrictionsNarrow, winding park roads with low tree canopy in places
Reservation windowReservations through Illinois DNR Camp Illinois; first-come sites also available
PetsLeashed pets permitted in campground and on most trails

Best time to visit Ferne Clyffe State Park

Late April through early June and mid-September through October are the best months for RV travel to Ferne Clyffe. Spring brings flowing waterfalls, blooming wildflowers, and lush fern displays, while fall offers crisp weather, vivid hardwood color, and fewer bugs. Summer is green but hot and humid, with thicker crowds on weekends. Winter visits are possible for day use, but cold snaps, ice, and occasional snow can make the park roads and trails slick.

Jan 75 mm
42°F - 25°F

Cold and damp; trails can ice over

Feb 80 mm
48°F - 27°F

Freeze-thaw cycles; muddy trails

Mar 110 mm
59°F - 37°F

Waterfalls begin flowing after rains

Apr 115 mm
70°F - 46°F

Wildflowers and peak waterfall season

May 130 mm
79°F - 57°F

Warm and lush; watch for thunderstorms

Jun 105 mm
86°F - 66°F

Humid; ticks and mosquitoes active

Jul 95 mm
90°F - 70°F

Peak summer heat and humidity

Aug 85 mm
90°F - 68°F

Hot; waterfalls often dry

Sep 80 mm
82°F - 60°F

Pleasant days, cool nights

Oct 85 mm
70°F - 48°F

Peak fall color, popular weekends

Nov 100 mm
57°F - 37°F

Cool and quiet; limited services

Dec 95 mm
46°F - 29°F

Cold, occasional snow or ice

Things to do at Ferne Clyffe State Park

  • Big Rocky Hollow Trail Easy
    RV parking available

    Big Rocky Hollow Trail is a short out-and-back hike leading to the park's signature 100-foot seasonal waterfall. The flat, shaded path follows a rocky creek bed through a fern-lined canyon, with RV-friendly parking at the main trailhead lot.

  • Hawks' Cave Trail Moderate
    RV parking available

    Hawks' Cave Trail is a loop hike leading to a massive 150-foot-long sandstone shelter bluff. The route passes mossy overhangs and fern gardens typical of the Shawnee Hills and connects with other park trails for longer outings.

  • Rebman Trail Moderate

    Rebman Trail is a rugged loop through the park's interior forest and bluff country. Expect rocky footing, creek crossings, and quiet views away from the main day-use areas.

  • Happy Hollow Horse Trail Strenuous
    RV parking available

    Happy Hollow offers miles of equestrian and backpack trails through the southern section of the park. The area includes a dedicated horse camp with room for trailers and longer backcountry loops.

  • Ferne Clyffe Lake Fishing
    RV parking available

    Ferne Clyffe Lake is a small 16-acre lake stocked for bank fishing near the park entrance. Anglers target bass, bluegill, and catfish from the shoreline, and a day-use parking area accommodates tow vehicles and smaller RVs.

  • Round Bluff Nature Preserve Easy
    RV parking available

    Round Bluff Nature Preserve is a dedicated natural area protecting rare plants atop a sandstone mesa inside the park. A short interpretive trail circles the bluff and is a good option for a quick leg-stretch between drives.

  • Day trip to Garden of the Gods Easy
    RV parking available

    Garden of the Gods Recreation Area in Shawnee National Forest lies about an hour east of Ferne Clyffe and features iconic sandstone formations. The Observation Trail is a short paved loop with sweeping overlooks, and the main parking area can handle tow vehicles and smaller motorhomes.

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RV Rentals Ferne Clyffe State Park

Ferne Clyffe State Park, IL, United States

How to get to Ferne Clyffe State Park

Ferne Clyffe sits just off Interstate 57 at Goreville, about 30 minutes (30 miles) south of Marion, Illinois, and roughly 2 hours (about 120 miles) southeast of St. Louis. Paducah, Kentucky is about 1 hour (55 miles) to the southeast. RV drivers should note narrow, winding interior park roads and low-hanging tree limbs in some campground loops, so large rigs should scout sites before committing. The nearest commercial airport for fly-and-rent travelers is Veterans Airport of Southern Illinois (MWA) in Marion, with larger service out of Nashville (BNA) or St. Louis (STL).

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