The Watchung Mountains are a range of low mountains located in northern New Jersey. They are part of the larger Piedmont region and stretch approximately 30 miles from north to south. The mountains are characterized by their ridges and valleys, formed by ancient volcanic activity and erosion. The area is known for its natural beauty, featuring lush forests, diverse wildlife, and scenic views. Several parks, such as Watchung Reservation, offer recreational opportunities like hiking, biking, and picnicking, making the Watchung Mountains a popular destination for outdoor enthusiasts.