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Hook Mountain and Nyack Beach State Park

National Natural Landmark

Photo
Photo of Hook Mountain and Nyack Beach State Park
IN BRIEF
Hook Mountain and Nyack Beach State Park contains a portion of the Palisade sill. The site contains geological deposits that are characteristic of the filling of basins during the rifting and opening of the North Atlantic Basin 180-200 million years ago. Ownership: State.

DESIGNATION DATE
1980
update on 07/09/2004  I   http://www.nature.nps.gov/nnl/Registry/USA_Map/States/NewYork/NNL/HM/index.cfm   I  Email: Webmaster
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