Built by the Hopewell culture, it is maintained by the Arc of Appalachia Preserve System and the Ohio History Connection.

[2] The earthwork, built about 2,000 years ago, is a walled enclosure made of soil on top of a flat summit.

It was featured in their book Ancient Monuments of the Mississippi Valley, which was published in 1848.

[3] Fort Hill State Memorial contains excellent outcrops of Silurian, Devonian, and Mississippian sedimentary bedrock and a natural bridge.

This article about a property in Highland County, Ohio on the National Register of Historic Places is a stub.