Admission to Fort Ancient Earthworks is $7/adult, $6/senior, and free for kids younger than 6 years old.
- Open: Wednesday- Saturday from 10am – 5pm and Sunday from noon – 5pm (other days by appointment).
- Location: (Map It) 6123 SR 350 in Oregonia, Ohio
- Phone: 513-932-4421
- Web: click here
Fort Ancient Earthworks and Nature Preserve provide a rich history of the Hopewell and Fort Ancient cultures as you discover the largest and best-preserved prehistoric hilltop enclosure in the United States. Situated on a wooded bluff 235 feet above the Little Miami River in Oregonia, Ohio this 2,000-year-old site features man-made earthworks, miles of trails that showcase the natural and archaeological features of the land, and a Museum that encompasses 15,000 years of Ohio history and pre-history.