Colonel Denning State Park - Doubling Gap Lake Beach
Lake · Pennsylvania
About this swimming hole
Doubling Gap Lake sits in a narrow mountain valley in the heart of Tuscarora State Forest. The small swimming beach opens late May through mid-September, 8:00 A.M. to sunset, at your own risk. Note: the swim beach was scheduled to close September 15 through about November 15, 2026 for a drawdown and facility project, so verify current status before visiting.
Good to know
| Water type | Lake |
|---|---|
| Best season | late May to mid-September; beach closed Sep 15 - Nov 15, 2026 |
| Reservations required | No |
| Hours | 8:00 A.M. to sunset |
| County | Cumberland County |
| Nearest town | Newville |
| Safety notes | Swim at own risk; no lifeguards. Beach closed September 15 to November 15, 2026; check DCNR before visiting. |
Map
Official information
Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.
Nearby swimming holes
Frequently asked questions
Does Colonel Denning State Park - Doubling Gap Lake Beach require reservations?
No reservations are required at Colonel Denning State Park - Doubling Gap Lake Beach based on current information — but verify before you go.
When is the best time to visit Colonel Denning State Park - Doubling Gap Lake Beach?
The best season is typically late May to mid-September; beach closed Sep 15 - Nov 15, 2026.
Is Colonel Denning State Park - Doubling Gap Lake Beach safe for swimming?
Reported safety notes: Swim at own risk; no lifeguards. Beach closed September 15 to November 15, 2026; check DCNR before visiting.. There are rarely lifeguards at natural swimming holes — swim at your own risk.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026