This rock is perhaps hundreds of millions of years old, and has been here longer than much else around it. The jagged free-standing gneiss was carried here ten thousand years ago by a continental glacier.The rock was originally much larger, but lost many pieces during its travel southward.
At the end of the glacial period, ice began to melt and the rock was marooned in what is now the Rockefeller Preserve. Prinmeval forest grew around it and Algonquin natives made their home the woods.
Another larger glacial erratic can be found on Nature's Way which connects Sleepy Hollow trail to the parking lot.
Dogs are allowed on a leash. There is a $6 daily parking fee, unless you have a New York State Empire Pass, A Golden Park Pass, or a group/Individual Access Pass.
This cache has been placed as part of the New York State Taconic Region Geocache Challenge. There are 76 caches hidden within 16 state parks and historic sites in the Taconic Region, geocachers finding 45 or more will be eligible to receive a 2018 Mills Norrie State Park commemorative and trackable geocoin. If you are interested in taking the challenge, you can pick up a geocaching passport at any of the participating parks and sites or download it at: https://parks.ny.gov/regions/attachments/TaconicRegion2018GeocacheChallenge.pdf