City, County & Regional Parks · Illinois

Camp Sullivan

City, County & Regional Parks · Illinois, United States

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Sites
27
Hookups
10 electric, 15 no hookups
Season
Year-round
Group sites
Yes
Restrooms
Yes
Showers
Yes
Pets
Yes
Elevation
676 ft
Dark sky
Bortle class 6
Nearest town
Oak Forest
Address
14630 Oak Park Ave, Oak Forest, IL 60452
Phone
855-937-2267

About

Forest Preserves of Cook County campground. 15 tent campsites, 10 RV/tent sites with 30/50-amp electric (no sanitation station), 2 large bunkhouses (36 people each), 1 small bunkhouse (16 people), 4 small cabins (8 people each), and 2 organized group campsites (200 people combined). Parking, showers, a camp store, a dining hall, a nature play area, accessible indoor bathrooms, a picnic grove with shelter, a climbing wall with auto-belay in the activity barn, and kitchen facilities in bunkhouses/cabins. Reservations online (48+ hours ahead), by phone (855-YES-CAMP), or in person. Nonprofits/veterans: 50% off cabin/bunkhouse fees.

Fees

Tent: $35-$50/night. RV/tent: $40-$66/night. Small cabin: $57-$100/night. Small bunkhouse: $127-$191/night. Large bunkhouses: $165-$284/night. Group sites: $24-$34/tent/night. Full campground: $4,880-$7,049/day.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January31°19°-14°59°11 of 11
February35°22°-6°64°11 of 11
March47°31°10°74°10 of 11
April60°40°24°79°6 of 11
May71°51°38°88°0 of 11
June79°61°48°93°0 of 11
July83°67°59°92°0 of 11
August81°66°57°91°0 of 11
September77°61°51°86°0 of 11
October62°45°32°80°1 of 10
November48°33°4°69°7 of 10
December39°25°-4°64°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Illinois · Every state and province · Facts read from the operator 2026-08-29. Confirm fees, rules and current status with the operator before you go.