Explore the wooded hills of northern Hunterdon County by utilizing the fantastic multi-use trails within the park and enjoy the night sky with the New Jersey Astronomical Association. Voorhees State Park served as a camp for the Civilian Conservation Corps (CCC) from 1933-1941. The CCC planted trees and constructed shelters, picnic areas, and trails throughout the park.?Today, Voorhees State Park offers camping, scenic hiking trails and an observatory. The observatory is administered by the New Jersey Astronomical Association.