Natural swimming hole
Alum Creek State Park
Lake · Ohio
About this swimming hole
Alum Creek State Park has the largest inland beach in Ohio's state park system: 3,000 feet of sand on 3,387-acre Alum Creek Lake. Facilities include a changing area, outdoor showers, restrooms, beach vendors, and sand volleyball courts. The beach is open during daylight hours only, and pets are not allowed on the sand.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | mid 70s in summer |
| Depth | 3,387-acre reservoir |
| Best season | June-August |
| Fees | Free |
| Reservations required | No |
| Hours | daylight hours only |
| Parking | state park lots |
| Amenities | swim beach, changing area, showers, volleyball courts, marina, boat rentals, trails, campground |
| County | Delaware County |
| Nearest town | Delaware |
| Safety notes | no lifeguard; swimming at your own risk; check BeachGuard water-quality advisories; unlimited-horsepower boat traffic south of US 36/37 |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Alum Creek State Park?
Yes — Alum Creek State Park is listed as a natural swimming spot in Ohio. Reported water temperature: mid 70s in summer. Heads-up: no lifeguard; swimming at your own risk; check BeachGuard water-quality advisories; unlimited-horsepower boat traffic south of US 36/37. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Alum Creek State Park require reservations?
No reservations are required at Alum Creek State Park based on current information — but verify before you go.
Is there a fee to visit Alum Creek State Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Alum Creek State Park?
The best season is typically June-August.