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Trammel Fossil Park

A free park where visitors can learn about and collect 440 million-year-old fossils.

Sharonville, Ohio

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A few pieces of fossilized bryozoans.   acorpolongo / Atlas Obscura User
Part of a fossilized nautiloid in limestone.   acorpolongo / Atlas Obscura User
A hillside full of 440 million-year-old fossils.   acorpolongo / Atlas Obscura User
This limestone ledge holds many fossilized bryozoans and brachiopods.   acorpolongo / Atlas Obscura User
One of many informational signs at Trammel Fossil Park.   acorpolongo / Atlas Obscura User
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About

Tucked away at the end of an industrial parkway, Trammel Fossil Park is a place to explore the deep history of the eastern United States. It features a large exposure of fossil-bearing limestone that formed about 440 million years ago, during the Ordovician Period.

The park is completely open to the public and collecting fossils is allowed, provided you don’t dig any holes that could create a tripping hazard for other visitors. Fossils of several different types of ancient sea creatures, including trilobites, sea lilies (also called crinoids), brachiopods, and bryozoans can be found here.

Trammel Fossil Park has detailed informational signs, built in cooperation with members of the Geosciences Department at nearby University of Cincinnati, that explain the geological formations in the area and help visitors identify their fossil finds.  

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The park, which is run by the city of Sharonville, has picnic tables, portable toilets, and a hand washing station on site from April to November. 

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July 16, 2024

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