Letterkenny Reservoir   Be the first to submit input for Letterkenny Reservoir. If you have info on Letterkenny Reservoir, Franklin County, Pennsylvania please submit it here to improve this web site.          These outdoors activities are available near Letterkenny Reservoir.   Lakes Near Letterkenny Reservoir: Gunter Valley Reservoir, Franklin County, 2 miles away Long Pine Run Reservoir, Adams County, 19 miles away   Public Lands Near Letterkenny Reservoir: Greenbrier State Park, West Virginia, 31 miles away Catoctin Mountain Park, Thurmont - MD, 33 miles away Appalachian National Scenic Trail, Harpers Ferry - WV, 41 miles away Potomac Heritage National Scenic Trail, McLean - VA, 41 miles away   Campgrounds Near Letterkenny Reservoir: Roxbury Holiness Camp, Orrstown, 2 miles away Twin Bridge Meadow Family Campground, Chambersburg, 9 miles away Burnt Cabins Grist Mill Ye Olde Mill Campground, Burnt Cabins, 14 miles away Harold L Krepps, Shirleysburg, 16 miles away   Hotels Near Letterkenny Reservoir: Chambersburg Travelodge, Chambersburg, 10 miles away Country Inn & Suites By Carlson, Chambersburg, PA, Chambersburg, 10 miles away Best Western Chambersburg, Chambersburg, 10 miles away Candlewood Suites CHAMBERSBURG, Chambersburg, 10 miles away La Quinta Inn & Suites Chambersburg, Chambersburg, 10 miles away   Ski Areas Near Letterkenny Reservoir: Ski Liberty, Pennsylvania, 29 miles away       620 foot drop, 8 lifts, 16 runs