Millions of years ago, a shallow sea covered Ohio, depositing fossil-rich limestone and dolomite bedrock. Fossilized remains of ancient marine animals are so abundant that people from all over the world come to Hueston Woods to collect them. Fossils can be collected from any area of the park except the Nature Preserve. You may keep whatever fossils you find.
Types of fossils you may find at the park:
- Horn Corals
Here's a guide to Fossil Collecting at Hueston Woods.
There are several fossil collecting areas around located in Hueston Woods including the Four Mile Creek Picnic Area, the Dam, and the Covered Bridge Area.