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Serpent Mound - Monument
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Serpent Mound

description Serpent Mound Overview

The Serpent Mound is a prehistoric effigy earthwork located in Adams County, Ohio, shaped distinctively in the form of a curving serpent. Measuring approximately 1,348 feet in length, it is recognized as the largest surviving serpent effigy in the world. The exact cultural origin of the mound remains a subject of archaeological investigation, though it is most commonly associated with the Fort Ancient or earlier Adena cultures. It was constructed for purposes that are still debated among scholars, with theories ranging from astronomical functions to ceremonial uses.

help Serpent Mound FAQ

Who built Serpent Mound in Ohio?

Its builders remain disputed because the mound has no burials or artifacts that settle the question conclusively. Archaeologists have associated it at different times with the Adena and Fort Ancient cultures.

How long is the Great Serpent Mound?

The earthwork extends about 1,348 feet across a plateau above Ohio Brush Creek. Its enormous coiling body makes it the largest known surviving serpent effigy mound.

What is the oval at the serpent's mouth supposed to represent?

Interpretations include an egg, the sun, an eye, or an object being swallowed. No surviving Native American account identifies the oval's intended meaning, so these explanations remain hypotheses.

Does Serpent Mound align with astronomical events?

Parts of the earthwork have been interpreted as pointing toward solstice sunsets and other celestial events. Those proposed alignments are widely discussed, but they do not establish who built the mound or its primary purpose.

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