Historical Marker
New Concord
Historical marker location:
2 West Main Street, New Concord, Ohio
( Marker is at the intersection of West Main Street (U.S. 40) and North Layton Drive, on the right when traveling east on West Main Street.)
Marker installed: 2015
The Historic National Road in Ohio.
The Great Serpent Mound, located in Adams County, Ohio, is a prehistoric effigy mound in the shape of a serpent that is more than 1,300 feet long. It is one of the largest effigy mounds in the world and is estimated to have been built by the Adena culture more than 1,000 years ago.