Greencastle Reservoir   Be the first to submit input for Greencastle Reservoir. If you have info on Greencastle Reservoir, Franklin County, Pennsylvania please submit it here to improve this web site.          These outdoors activities are available near Greencastle Reservoir.   Lakes Near Greencastle Reservoir: Hunting Creek Lake, Frederick County, 18 miles away Gunter Valley Reservoir, Franklin County, 18 miles away Long Pine Run Reservoir, Adams County, 19 miles away   Public Lands Near Greencastle Reservoir: Greenbrier State Park, West Virginia, 14 miles away Catoctin Mountain Park, Thurmont - MD, 21 miles away Appalachian National Scenic Trail, Harpers Ferry - WV, 25 miles away Potomac Heritage National Scenic Trail, McLean - VA, 25 miles away   Camp Grounds Near Greencastle Reservoir: Twin Bridge Meadow Family Campground, Chambersburg, 9 miles away   Hotels Near Greencastle Reservoir: White Hall Manor Bed & Breakfa, Greencastle, 3 miles away Comfort Inn Greencastle, Greencastle, 3 miles away Knights Inn Hagerstown, Hagerstown, 5 miles away State Line Inn, Hagerstown, 5 miles away Hampton Inn HagerstownMaugansville, Hagerstown, 6 miles away   Hiking Trails Near Greencastle Reservoir: High Rock Nature Trail, Frederick County, 18 miles away   Ski Areas Near Greencastle Reservoir: Ski Liberty, Pennsylvania, 22 miles away       620 foot drop, 8 lifts, 16 runs   Whitewater Near Greencastle Reservoir: Antietam Creek, WashingtonCounty, 10 miles away       Class I-II - 7 miles long (Oak Bridge to Highway 68) Beaver Creek, WashingtonCounty, 12 miles away       Class I(II) - 4.5 miles long (Beaver Creek Park N Ride (I-70) to Alternate Route 40) Antietam Creek, WashingtonCounty, 14 miles away       Class I-II - 11 miles long (Highway 68 to Potomac River)