Although there is no official dog park at the Ramapo Valley County Reservation, it is a great place to bring dogs to explore the wooded hillsides of this park. The Ramapo Reservation, located in Mahwah, is a 3,313-acre park located in Bergen County. Visitors love to stroll around Scarlet Oak Pond or to MacMillan Reservoir with their leashed dogs. There are plenty of challenging trails on the eastern side of the Ramapo Mountains.The park offers mountain fishing, hiking, a pond and a scenic waterfall. Ramapo Reservation was dedicated as a wilderness area that permits visitors to bring dogs provided that they are held on a 6ft. leash at all times.