Clarence Fahnestock Memorial State Park, also known as Fahnestock State Park, is a 14,337-acre (58.02 km2) state park located in Putnam and Dutchess counties, New York.[2] The park has hiking trails, a beach on Canopus Lake, and fishing on four ponds and two lakes.[1] Most of the park is situated in northern Putnam County between the Taconic State Parkway and U.S. Route 9.