 The Pine Creek Gorge National Natural Landmark includes Colton Point and Leonard Harrison State Parks and parts of the Tioga State Forest along 12 miles ( 19 km ) of Pine Creek between Ansonia and Blackwell . This federal program does not provide any extra protection beyond that offered by the land owner . The National Park Service 's designation of the gorge as a National Natural Landmark notes that it " contains superlative scenery , geological and ecological value , and is one of the finest examples of a deep gorge in the eastern United States . " 
