The Ramapo Valley County Reservation is a 4,000 acres (16 km2) county park located in Mahwah, New Jersey in Bergen County. The park offers hiking along a mountain brook with a waterfall, fishing in the Ramapo River, Scarlet Oak Pond, MacMillan Reservoir, and tent camping.
Bergen County is the most populous county in the U.S. state of New Jersey. Located in the northeastern corner of New Jersey, Bergen County and its many inner suburbs constitute a highly developed part of the New York City metropolitan area. As of the 2020 United States census, the county's population was 955,732,