 The Southern Rocky Mountain Front stretches from Albuquerque, New Mexico, north along Interstate Highway 25 to Cheyenne, Wyoming, and includes the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area, the Colorado Springs, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, the Fort Collins, CO Metropolitan Statistical Area, the Greeley, CO Metropolitan Statistical Area, the Pueblo, CO Metropolitan Statistical Area, the Cheyenne, WY Metropolitan Statistical Area, the Cañon City, CO Micropolitan Statistical Area, the Albuquerque, NM Metropolitan Statistical Area, and the Santa Fe, NM Metropolitan Statistical Area.The region comprises three primary subregions