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
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.