Mapleville, Maryland
Coordinates: 39°32′32″N 77°38′49″W / 39.542229°N 77.647049°W
Mapleville is an unincorporated community in eastern Washington County, Maryland, United States. The community is not considered a census-designated place (CDP), but is officially a part of the Hagerstown Metropolitan Area.
Mapleville lies along MD Route 66, known locally as the Mapleville Road, north of Boonsboro, Maryland and just south of the community of San Mar. Route 66 links the towns of Boonsboro and Smithsburg, Maryland, and provides local residents with access to nearby U.S. Route 40 and Interstate 70, making the main road along which the community is settled well-traveled. Short Hill, a lesser arm of the Blue Ridge's South Mountain, lies directly to the east of Mapleville; Greenbrier State Park & Lake are located between the hill and the range's principal ridge.