South Mountain Reservation is a large park located in Essex County, New Jersey. Spanning over 2,110 acres, it offers a variety of outdoor activities, including hiking, biking, and horseback riding. The reservation features scenic views, wooded areas, and several trails that cater to different skill levels. The park is home to diverse wildlife and plant species, making it a popular spot for nature enthusiasts. Additionally, South Mountain Reservation includes amenities such as picnic areas, playgrounds, and the historic South Mountain Recreation Complex, which provides recreational facilities for visitors of all ages.