Colonel Denning State Park
Colonel Denning State Park, in north central Cumberland County, is in Doubling Gap, so named by the “S” turn where Blue Mountain doubles back on itself. This feature may be seen from the Doubling Gap Vista in adjacent Tuscarora State Forest.
The park has 273 acres of woodland and a 3.5-acre lake.
Seasons and Hours
The park is open every day of the year, sunrise to sunset. Day use areas close at dusk.
The park office is open specific hours. The beach, overnight areas, and other areas are open specific seasons and hours. Contact the park office for facility seasons and hours.
The park is eight miles north of Newville and nine miles south of Landisburg, along PA 233.
GPS DD: Lat. 40.28083 Long. -77.41837
Driving Directions: The Interactive GIS Map has turn-by-turn driving directions to the park office from the Park Information Window.
Please note that the background maps are maintained by a variety of public sources and driving directions usually go to the nearest large road.
Environmental Education and Interpretation
An environmental interpretor offers:
Ecological and historical walks and programs
Environmental education activities
Youth programs during the summer season
A visitor center, exhibiting plants, animals, and minerals found in the park, is open during the summer season.
Access for People with Disabilities
This activity or structure is ADA accessible. If you need an accommodation to participate in park activities due to a disability, please contact the park you plan to visit.
In an Emergency
Call 911 and contact a park employee.
Directions to the nearest hospital are posted on bulletin boards and at the park office.
UPMC Pinnacle Carlisle
361 Alexander Spring Road
Carlisle, PA 17015