On this page you will find all of the Indian mounds visited by the Ohio Exploration Society, arranged alphabetically by county. Ohio was home to several ancient Native American mound-building cultures, including the Hopewell, Adena, and Fort Ancient cultures featured below. Remember, we do not condone trespassing at any of these locations. Always seek permission of an Indian mound is located on private property. If you have photos of a mound that you would like to share, please submit them to and we may post them with credit given to you. If you would like to suggest a place for us to explore, please use the Exploration Submission Form and we’ll do our best to check it out.
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 | Serpent Mound Adams County Most likely built by the Fort Ancient culture, this is the largest effigy mound in North America. |
 | Jeffers Mound Franklin County Built by the Hopewell culture, this mound was part of a larger earthwork that has been lost. |
 | Shrum Mound Franklin County Built by the Adena culture, this is one of the last remaining conical mounds in Columbus. |
 | Alligator Mound Licking County Most likely built by the Fort Ancient culture, this is one of two effigy mounds in Ohio. |
 | Newark Earthworks Licking County Built by the Hopewell culture, this area is part of a huge grouping of mounds in Newark. |
 | Mound City Ross County Built by the Hopewell culture, this side is one of the largest concentrations of burial mounds discovered. |
 | Seip Earthworks Ross County Built by the Hopewell culture, the earthworks are anchored by the 30-foot tall Seip Mound. |
 | Ranger Station Mound Vinton County At the height of 14.4 feet, Ranger Station Mound is the tallest of the Zaleski Mound Group. |
 | Conus Mound Washington County Built by the Adena culture, it is also known as Cemetery Mound as it is located in Mound Cemetery. |
 | Quadranaou Mound Washington County Built by the Hopewell culture, it is believed this was a ceremonial mound. |
 | Sacra Via Washington County This area was formerly a sacred walled way to the Ohio River built by the Hopewell culture. |