City, County & Regional Parks · Illinois
The Hollows Group Campground
City, County & Regional Parks · Illinois, United States
- Sites
- 3
- Group sites
- Yes
- Elevation
- 837 ft
- Dark sky
- Bortle class 5
- Nearest town
- Cary
Season dates aren't confirmed for this campground yet - opening and closing dates haven't been verified. Check the operator's page or call ahead before you plan a trip.
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
McHenry County Conservation District tents-only group campground at The Hollows, with three capacity zones (1-40, 1-40, 1-100 people). Fishing, hiking, and picnicking. Season April-November.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 28° | 14° | -16° | 56° | 11 of 11 |
| February | 33° | 18° | -13° | 63° | 11 of 11 |
| March | 46° | 30° | 6° | 74° | 10 of 11 |
| April | 59° | 39° | 22° | 78° | 6 of 11 |
| May | 69° | 50° | 37° | 86° | 0 of 11 |
| June | 79° | 60° | 48° | 93° | 0 of 11 |
| July | 83° | 67° | 59° | 94° | 0 of 11 |
| August | 80° | 66° | 58° | 90° | 0 of 11 |
| September | 77° | 60° | 50° | 86° | 0 of 11 |
| October | 60° | 45° | 30° | 80° | 1 of 10 |
| November | 46° | 32° | 5° | 69° | 8 of 10 |
| December | 35° | 24° | -7° | 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
- Riverfront Group Campground · City, County & Regional Parks · 3 mi · 1 sites
- Hickory Grove Highlands Group Campground · City, County & Regional Parks · 11 mi
- Camp Reinberg · City, County & Regional Parks · 12 mi · 19 sites
- Paul Wolff Campground · City, County & Regional Parks · 12 mi · 104 sites
- Chain O' Lakes State Park · Illinois State Parks · 16 mi
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.