Caledonia State Park

Caledonia State Park

The 1,125-acre Caledonia State Park is in Adams and Franklin counties, midway between Chambersburg and Gettysburg on US 30.

The park is nestled within South Mountain, the northern terminus of the well-known Blue Ridge Mountain of Maryland and Virginia. Within South Mountain there are four state parks and 84,000 acres of state forest land waiting to be explored and enjoyed. The soils on either side of South Mountain are ideal for fruit production, proven by the abundance of orchards in the surrounding area.

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The pool opens for Memorial Day weekend and then is open weekends only until the second weekend in June when it begins seven days a week operation, weather and staffing availability permitting.  The pool is typically closed weekdays beginning mid-August but is open for weekends including Labor Day, which is the end of the pool season.

(Note: Many places fill to capacity on busy, nice weather days, especially holiday weekends. Please call ahead or visit the official website to get the most up-to-date information before visiting.)


Unreserved picnic pavilions are free on a first-come, first-served basis.  Two rustic, CCC-era picnic pavilions may be reserved up to 11 months in advance for a fee.

There is a fee for pool use.  Swimmers arriving after 4 PM receive a discount.  Season passes are available at the park office.


Caledonia began as a charcoal iron works in 1837. It was established by a lawyer named Thaddeus Stevens, originally from Vermont, who was a delegate in the Pennsylvania House of Representatives. Stevens fought for equal rights for immigrants and women, then became an ardent abolitionist. A self-contained village, Caledonia had a charcoal iron furnace, forge, rolling mill, stables, warehouses, blacksmith shops, sawmill, and 60 tenement houses for the workers and their families. Furnace foreman William Hammett was a conductor for the Underground Railroad.


Picnicking, golfing, swimming, hiking, fishing, hunting, and tent and trailer camping. A seasonal naturalist offers campfire programs, guided hikes and environmental education programs in the summer months.

A park educator offers programming during the summer season. The history and environment of the area are topics for discovery for park visitors of all ages. Children’s programs, guided walks and campfire programs are scheduled throughout the summer season.

The Appalachian Trail also traverses the park.


There are 450 picnic tables, a golf course, an ADA accessible swimming pool, 10 miles of hiking, 740 acres of hunting, and sites for tents, trailers and group camping.

The swimming pool is ADA accessible and equipped with a waterslide and a small snack bar.


The swimming pool is ADA accessible; call the park for other accommodations.


  • There are currently no scheduled events.

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Main image: Caledonia State Park