Quarry Gap Shelters

Location: South Central Pennsylvania
Trip Starts: Caledonia State Park
Trip Ends: Caledonia State Park
Total Distance: 6.5 miles
Hike Type: Roundtrip, Loop Hike
Hike Difficulty: Moderate
Trails Used: Hosack Run, Locust Gap, Appalachian Trails
Trail Traffic: Light
Trip Type: Day Hike
More Information:

Appalachian Trail Conservancy
799 West Washington Street
Harpers Ferry, WV 25425
(304) 535-6331


The 1,125-acre Caledonia State Park is in Adams and Franklin counties, midway between Chambersburg and Gettysburg, Pennsylvania and located on US 30. Caledonia is in the northernmost section of the Blue Ridge Mountains known locally as South Mountain. This hike leaves a parking area in the northern most section of the park and climbs a ridge following the Appalachian Trail northbound to the Quarry Gap Shelters. The backcountry site is well maintained and has a group camping area nearby. From here, the route continues north on the A.T. to the Hosack Run Trail which it follows 1.1 miles down to the Locust Gap Trail. In this area, there are fenced facilities to control the hungry deer population which has devastated some of the vegetation in the area. From Locust Gap, turn right to climb back up an old forest road and rejoin the A.T. which backtracks back to the parking area at Caledonia State Park.

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