The term NEW MEXICO'S ___ SKI VALLEY is completed by the four-letter word TAOS. Taos Ski Valley is a ski resort located in the Sangre de Cristo Mountains of northern New Mexico, near the town of Taos. It is one of the oldest ski resorts in the United States, having opened in 1955. The resort offers a variety of terrain for skiing and snowboarding, as well as other activities such as tubing, snowshoeing, and snowmobiling.