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Peebles, Ohio

Explore the Great Serpent Mound

Originally added by Dan Barr

Nestled away in Southwest Ohio, The Great Serpent Mound is a 1,300' long effigy mound constructed by prehistoric Native Americans atop an ancient impact crater site.

Great Serpent Mound is easy to get to, and the museum nearby has a great little shop and display on the history of the mound and how it came to be found. 

One of the many interesting features of the mound itself is that it appears to have been designed in such a way as to align itself with the pattern of the rising and setting of both the moon and the sun over the course of the year. Signs along the path on both sides of the mound indicate where both the moon and sun will rise and set over the course of the year.

Serpent Mound is also unique in that is is one of the few locations that is a known astrobleme, or better known as an ancient meteorite impact site. The bedrock surrounding the mound has been uplifted several hundred feet from the surrounding landscape, and recent studies have placed the impact at somewhere around 248 million years ago, causing any visual traces of the impact to have faded away long ago.

There is no "entry fee" to Great Serpent Mound, but parking is $8 for a vehicle and $4 for motorcycles. The historic site is open from dawn until dusk but the museums hours vary. Check the Arc of Appalachia's website here ( to check on museum hours and other information.

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Easy Parking
Family Friendly
Handicap Accessible
Picnic Area


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Always practice Leave No Trace ethics on your adventures and follow local regulations. Please explore responsibly!

We want to acknowledge and thank the past, present, and future generations of all Native Nations and Indigenous Peoples whose ancestral lands we travel, explore, and play on.

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