Coventry Township / Portage Lakes

Historical marker location:

Coventry, Ohio

( Marker is at the intersection of Portage Lakes Drive (County Route 75) and South Turkeyfoot Road (County Route 123), on the right when traveling east on Portage Lakes Drive.)

Marker installed: 2006

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.