The Jemez Mountains (pronounced Heh-mez, Tsampiye'ip'in in Towa) are a volcanic group of mountains in Rio Arriba, Sandoval, and Los Alamos counties, New Mexico, United States. The highest point in the range is Chicoma Mountain (also spelled as Tschicoma or Tchicoma) at an elevation of 11,561 feet (3524 meters). The town of Los Alamos and Los Alamos National Laboratory adjoin the eastern side of the range while the town of Jemez Springs is to the west. Pajarito Mountain Ski Area is the only ski area in the Jemez.  New Mexico State Highway 4 is the primary road that provides vehicular access to locations in the Jemez Mountains.