South Mountain Reservation

South Mountain Reservation, covering between 2,047 and 2,112 acres (between 8.28 and 8.54 km²), depending on the source, is a nature reserve on the Rahway River that is part of the Essex County Park System in northeastern New Jersey. It is located in central Essex County, New Jersey within portions of Maplewood, Millburn, and West Orange. It borders South Orange between the first and second ridges of the Watchung Mountains.

Carved from wilderness at the end of the 19th century, designed by Olmsted Brothers, and developed over a few decades, the reservation has changed only slightly through the years. Preserved primarily in its wild state, woodlands abound in a variety of hardwood trees, and tall hemlocks tower above streams, creeks and ponds, and waterfalls. Higher points, such as Crater View, offer vistas of the New York and Jersey City skylines, Elizabeth, Union Township, and Staten Island.