Sierra Trail (Watchung Reservation)
10-mile loop through Union County's Watchung Reservation w/ Lake Surprise + Deserted Village. Leashed dogs welcome. | 452 New Providence Rd, Mountainside, NJ 07092 | 10 miles of trails | Source:
Dog Parks Hub: Sierra Trail (Watchung Reservation)

Sierra Trail (Watchung Reservation)
10-mile loop through Union County's Watchung Reservation w/ Lake Surprise + Deserted Village. Leashed dogs welcome. | 452 New Providence Rd, Mountainside, NJ 07092 | 10 miles of trails | Source:
trail
Dog Parks Hub