The Mills Reservation, a 157.15-acre county park maintained by the Essex County Park Commission, is located in Cedar Grove and Montclair, New Jersey. This park features several walking and jogging trails, including four major trails and numerous smaller paths. One of the main trails leads to a scenic cliff that offers stunning views of the New York skyline. The park also has a concrete pad on the Quarry Road side, which resembles a missile launchpad but is actually the base of a World War II-era spotlight. With its rich local history and various trails, the Mills Reservation is a fantastic destination for hiking with kids or a dog. Enjoy exploring this historical gem!