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  • Writer's pictureDan Wagner

Visit Miamisburg Mound: Ohio's Largest Adena Burial Mound

Nestled in the heart of Ohio, the Miamisburg Mound stands as a testament to the remarkable engineering and cultural achievements of ancient Native Americans civilizations. This magnificent earthwork, shrouded in history and mystery, rises majestically in Miamisburg, a suburb of Dayton. Standing at 65 feet in height and covering an expansive area, the Miamisburg Mound is one of the most significant and enigmatic ancient mounds in the United States. In fact, it ranks as the second-largest conical mound in eastern North America, second only to West Virginia's Grave Creek Mound.


Miamisburg Mound

The Miamisburg Mound is believed to have been constructed by the Adena culture, one of eastern North America's earliest indigenous cultures who thrived in the Ohio Valley from approximately 1000 BC to 200 BC. While the exact age of the mound remains a topic of debate among archaeologists, radiocarbon dating has suggested that its construction likely began around 100 BC.


Miamisburg Mound

The Adena people, characterized by their distinctive burial mounds, left behind a legacy of earthworks that continue to fascinate and mystify researchers to this day. The Miamisburg Mound, with its impressive size, stands as a testament to their architectural prowess.


The Miamisburg Mound is a conical mound, which means that it was primarily used for burial purposes. The mound was constructed by depositing layers of earth, clay, and gravel, one atop the other, to form the massive conical shape we see today. It is estimated that the mounds construction involved moving more than 50,000 cubic yards or 48,600 tons of earth, an impressive feat considering the lack of technology available to the Adena at the time.


Miamisburg Mound

In 1869, an archaeological expedition was undertaken to investigate Miamisburg Mound. This excavation unveiled a burial situated approximately 8 feet beneath the mound's summit, revealing the interment of a man within a bark tomb. A further examination, reaching depths of 36 feet, uncovered yet another burial vault, leading researchers to believe that they had just scratched the surface of its archaeological potential. Astonishingly, no subsequent excavations have been undertaken, intensifying the veil of mystery surrounding the historical site.



Drawing insights from the 1869 excavation, it became evident that the Miamisburg Mound served as a continuous memorial to the distinguished rulers of this Ohio region. It was not simply a single-use burial chamber; rather, its construction was an incremental process, evolving in stages as each ruler was laid to rest within their individual wooden tomb. Subsequently, these tombs were enveloped in layers of earth, gradually elevating the mound's height and expanding its overall dimensions.


Miamisburg Mound

Position atop a prominent ridge that itself stands roughly 100 feet above the surrounding landscape, the Miamisburg Mound must have presented a truly impressive sight for the Adena people. It not only functioned as a tribute to their leaders but also served as a poignant emblem for all who beheld it, symbolizing the profound power of this ancient civilization. Much like the iconic Egyptian pyramids at Giza, the Miamisburg Mound occupied a strategic location, ensuring its visibility from afar, and thus, it became a significant and enduring landmark for the Adena culture.


Miamisburg Mound

Exploring the Miamisburg Mound is a hassle-free experience, with no fees or park admission required for access. Steps have been constructed, guiding visitors to the mound's summit, where an observation platform awaits, providing a splendid vantage point. Sunsets observed from the summit of the mound are frequently breathtakingly beautiful.

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