Glacial lakes, limestone outcroppings, and former railroad lines are features of New Jersey's newest state park in
Sussex County, acquired in 1994. The 117-acre Lake Aeroflex and 39-acre Gardners Pond are part of the headwaters of the Pequest River and are excellent for fishing and boating. The Paulinskill Valley Trail and the Sussex Branch Trail are well-used pathways that originally were railroads vital to the regions economic development. The park lies over the Germany Flats aquifer, a large source of high-quality groundwater.
The park is located in northwestern New Jersey between Newton and Andover.