Hartshorne Woods Park is a 736-acre (298 ha) county park located in Northern Monmouth County, New Jersey, United States, in New Jersey's Bayshore Region. The park has 16 miles (26 km) of trails, several old military bunkers and a small beach with a fishing pier. It is roughly bordered to the north and west by Navesink Ave and Route 36. Its southern borders are Hartshorne Road... Wikipedia