Illinois State Parks · Illinois
Adeline Jay Geo-Karis Illinois Beach State Park
Illinois State Parks · Illinois, United States
- Season
- April 1 to November 15
- Group sites
- Yes
- Drinking water
- Yes
- Showers
- Yes
- Pets
- Yes
- Elevation
- 584 ft
- Dark sky
- Bortle class 5
- Cell coverage
- T-Mobile good · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Zion
- Address
- 1 Lake Front Drive, Zion, IL 60099
- Phone
- (847) 662-4811
- Activities
- Camping, Group Camping
Site map
The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.
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About
Adeline Jay Geo-Karis Illinois Beach State Park is an Illinois DNR state park in the Northeast region of Illinois. Camping site types: Class A Premium (showers, electricity, vehicular access). Also offers: Youth group camping. One of six IDNR "Premium" campgrounds (Chain O'Lakes, Illinois Beach, Kankakee River, Rock Cut, Starved Rock, Shabbona Lake) with premium-rate Class A/B site pricing. Pets ARE allowed (leashed, with water, never left unattended or in a parked vehicle) - IDNR's general statewide practice, confirmed via Starved Rock State Park's own IDNR FAQ. Reservable online through Illinois DNR's own Explore More Illinois system (camp.exploremoreil.com, redirects to the live recreation.exploremoreil.com/IllinoisWeb/ booking platform). Advance booking requires at least 3 days' notice; most sites are reservable May 1-October 31 (some year-round - confirm per park).
Fees
Class A Premium: $25/night ($35 holiday weekends) - showers, electricity, vehicular access. Youth group (Class Y): $2/person/night, $20/day minimum. Reservation fee $5/reservation (non-refundable) plus first night's camping fee; camping fees refunded if cancelled online 3+ days before arrival. Discounts (about half the listed camping fee, full utility fee still applies) for Illinois residents 62+ or disabled with a Class 2/2A card; Illinois disabled veterans and POWs camp free aside from the utility fee; no entrance fee to any Illinois state park (dnr.illinois.gov).
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 30° | 22° | -3° | 46° | 11 of 11 |
| February | 33° | 23° | 2° | 55° | 11 of 11 |
| March | 40° | 33° | 11° | 56° | 10 of 11 |
| April | 47° | 39° | 27° | 64° | 3 of 11 |
| May | 58° | 48° | 40° | 71° | 0 of 11 |
| June | 67° | 59° | 51° | 81° | 0 of 11 |
| July | 76° | 68° | 61° | 84° | 0 of 11 |
| August | 75° | 69° | 63° | 82° | 0 of 11 |
| September | 72° | 65° | 57° | 81° | 0 of 11 |
| October | 59° | 50° | 36° | 72° | 0 of 10 |
| November | 46° | 37° | 15° | 61° | 4 of 10 |
| December | 38° | 29° | 4° | 59° | 9 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
- Sanders Campground · City, County & Regional Parks · 16 mi
- Chain O' Lakes State Park · Illinois State Parks · 19 mi
- Camp Dan Beard · City, County & Regional Parks · 20 mi · 2 sites
- Richard Bong State Recreation Area · Wisconsin State Parks · 21 mi · 223 sites
- Camp Reinberg · City, County & Regional Parks · 24 mi · 19 sites
All public campgrounds in Illinois · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.