State park · Lower Mifflin Township, Cumberland County
Colonel Denning State Park
Set in Doubling Gap, where Blue Mountain folds back on itself in an S-curve, with a small swimming lake and a steep trail up to Flat Rock's broad view over the Cumberland Valley.
What you will find
- Hiking trails
- Mountain biking
- Horseback riding
- Cross-country skiing
- Camping
- Swimming
- Beach
- Boat launch
- Canoe and kayak launch
- Fishing
- Picnic areas
- Scenic views
Hunting is permitted here in season. Check the state hunting calendar and wear blaze orange in fall and winter.
Make a day of it
Nearby
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Tuscarora State Forest
Parallel ridges and narrow valleys of the Ridge and Valley country, with the Tuscarora Trail, mountaintop vistas and backcountry that includes a natural area of towering old-growth hemlocks.
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Fowlers Hollow State Park
Rustic campsites line a mountain run in this narrow hollow, a trail hub where hikers, riders and mountain bikers head off into the Tuscarora State Forest.
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Big Spring State Park
A railroad tunnel bored into the mountain and then abandoned unfinished lies at the end of a short walk from this shady picnic spot, also a trailhead for the long Iron Horse Trail.
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Carlisle
A handsome Cumberland Valley county seat of limestone and brick, home to Dickinson College, the Army War College and its Army Heritage museum, and big classic-car shows at the fairgrounds.
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U.S. Army Heritage and Education Center
Army history from the Revolution to today, told in a Soldier Experience Gallery and along an outdoor trail lined with re-created trenches, barracks and fortifications.
