Delaware Water Gap National Recreation Area - September 1, 1965 Appalachian National Scenic Trail - established October 2, 1968 (27+ miles are in DWGNRA)
Middle Delaware National Scenic River - November 10, 1978
Minisink Archeological Site (National Historic Landmark) - April 19, 1993
Middle Delaware Segment of the Delaware River Water Trail - June 2, 2007