Eagle Nest. New Mexico State Road 434. The road runs south from U.S. Route 64 south to Mora. It was a part of NM-38 when the highway was extended south of Eagle Nest by 1917 and at least into the 1950s. It was renumbered to NM 434 in 1988 to eliminate a concurrent section with U.W. 64 and NM 38. New Mexico State Road 522. It was New Mexico State Road 3 from 1930. It was renumbered NM 522 in 1988. North of Costilla at the Colorado state line it becomes CO Highway 159. Scenic byway designation The Enchanted Circle Scenic Byway was made one of the New Mexico Scenic Byways on July 31, 1998. It was designated a National Forest Scenic Byway by the U.S. Forest Service on December 14, 1989. Gallery Popular culture The movies Easy Rider and Butch Cassidy and the Sundance Kid were filmed in the area. See also National Register of Historic Places listings in Taos County, New Mexico Scenic highways in the United States Notes References External links Enchanted Circle Scenic byway National Forest Scenic Byways New Mexico Scenic and Historic Byways U.S. Route 64