Association. Easily accessible from either the north or the south boat ramp, the area is open 24/7. References External links Long Pond Ironworks Historic Site Long Pond Ironworks State Park NY-NJTC: Long Pond Ironworks State Park Trail Details and Info Ironworks and steel mills in the United States Museums in Passaic County, New Jersey Economy of New Jersey Parks in Passaic County, New Jersey State parks of New Jersey Mining in New Jersey Industry museums in New Jersey Industrial buildings and structures in New Jersey New Jersey Register of Historic Places Defunct iron and steel mills West Milford, New Jersey