The Ramapo Valley Reservation is a 3000+acre county park located in Mahwah, New Jersey in Bergen County, bordering Ringwood State Park to the north and the Ramapo Mountain State Forest to the south. It is also known as the Ramapo Reservation and the Ramapo Valley County Reservation. The park lies on the border of the Piedmont and Highlands geologic provinces.
The park offers hiking along a mountain brook with a waterfall, fishing in the Ramapo River, Scarlet Oak Pond, MacMillan Reservoir , and tent camping. Trails connect to the network of trails in the adjoining state forest and state park. The park also affords carry-in access Ramapo River for canoe and raft owners.
The Reservation is popular among students from nearby Ramapo College, less than a mile away on Route 202, and acts as the school's Environmental Science laboratory.
The park is also a noted geocaching hotspot in conjunction with the aforementioned adjoining parks.