Three Oaks Recreation Center
Quarry · Illinois
ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Three Oaks Recreation Center turned a former limestone quarry into Crystal Lake's public swim beach, with clear water and a sandy entry. The city-run facility offers a quarry swim without the drive to Wisconsin. It is the Chicago suburbs' closest quarry swim.
Good to know
| Water type | Quarry |
|---|---|
| Water temperature | 70s in summer |
| Depth | quarry swimming |
| Best season | June-August |
| Fees | Daily admission |
| Reservations required | No |
| Parking | rec center lots |
| Amenities | quarry swim beach, paddleboats, trails |
| County | McHenry County |
| Nearest town | Crystal Lake |
| Safety notes | lifeguards on duty |
Map
Nearby swimming holes
Frequently asked questions
Does Three Oaks Recreation Center require reservations?
No reservations are required at Three Oaks Recreation Center based on current information — but verify before you go.
Is there a fee to visit Three Oaks Recreation Center?
Reported fee info: Daily admission. Fees can change — confirm with the official link.
When is the best time to visit Three Oaks Recreation Center?
The best season is typically June-August.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026