Caledonia is a treasure for nature enthusiasts and historians. Because it is near Gettysburg, the park has become a favorite for Civil War buffs who find it ideal for family outings. Other unique features of this park include; an 18-hole golf course and part of the Appalachian Trail which traverses through the central portion of the park.
The 1,125 acres of Caledonia State Park are located in Adams and Franklin counties midway between Chambersburg and Gettysburg on U.S. Route 30.