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Geology of the Hudson Valley

July 9, 2023 @ 9:30 am - 1:00 pm

Orange pumpkins on a craggy boulder below Ravens Rock in Sleepy Hollow, New York

Join the park’s resident geologist, Kim Fendrich, on a journey through time at Rockefeller State Park Preserve.

Learn about the geologic history of this area and observe evidence of tectonic activity, glaciation, weathering, and erosion throughout the Buttermilk Hill area of the Preserve.

With 4 sites of interest and a route that covers about 6 miles, you’ll be doing lots of walking so please come prepared with plenty of water and a light snack. Be prepared to move at a steady pace, some hiking experience is recommended.

Leashed dogs are welcome. Wear sun protection and comfortable closed-toed shoes. Long pants tucked into your socks are recommended to prevent exposure to ticks and poison ivy.

Suggested for ages 16+.

Meet in the Union Church parking lot at the end closest to the Pocantico Hills Fire Department. You will hike into the Preserve from there.


Union Church of Pocantico Hills
555 Bedford Road
Sleepy Hollow, NY 10591 United States
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There’s something for everyone in Sleepy Hollow Country—farmers markets, live music, street fairs, historic homes, hiking trails, kayaking and boating on the Hudson River. Halloween season brings even more for the whole family—haunted hayrides, blazing pumpkins, costumed 10K run, Halloween parade, and of course, the Headless Horseman! For the latest on Fall events, visit our guide to Halloween in Sleepy Hollow.