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Athens County Indian Mounds

Between 1,000 B.C.E. and 200 A.D., Athens County was home to the Adena Indians, a hunter-gatherer society that preceded the Hopewells and other Native-American cultures. The Plains, just north of Athens in Athens County, was the second largest center of Adena activity in Ohio and when white settlers arrived in the 1800s they found at least 30 mounds there.

Over the years most of the mounds have been destroyed. Excavations of the mounds have unearthed pottery, jewelry and tools. The largest mound in The Plains, the Hartman Mound on Mound Street, the first right turn after exiting into the Plains off of Rt .33, has never been excavated and is 40 feet high and 140 feet in diameter. The Connett Mound is on Adena Drive, also in The Plains.

Indian Mounds
Adena Drive

The Plains, Ohio 45780

Phone Number(s)

Local Number: (740) 592-2280

E-mail Address(es)


Sunday: 8:00 AM - 9:00 PM
Monday: 8:00 AM - 9:00 PM
Tuesday: 8:00 AM - 9:00 PM
Wednesday: 8:00 AM - 9:00 PM
Thursday: 8:00 AM - 9:00 PM
Friday: 8:00 AM - 9:00 PM
Saturday: 8:00 AM - 9:00 PM

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General: FREE



Aden Indian Mound

The Adena tribe left ceremonial burial mounds in the area.

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