14325 Buchanan Trail East, Waynesboro PA 17268
The park and museum commemorate the dramatic July 4-5, 1863, battle fought as Robert E. Lee's troops, wagon trains and wounded retreated from the Gettysburg battlefield. The battle, fought in a nighttime thunderstorm at this remote South Mountain pass, resulted in the capture of more than 1,300 Confederates and the destruction or capture of dozens of wagons.
Park open daily 8 am-dusk. Museum open weekends 10 am-4 pm (mid April-Nov 19).