San Antonio de las Cobres takes its name from the nearby Sierra de Cobre, or Copper Mountain, which is rich in that mineral. Economic activity in the town is based on mining of the mineral-rich surrounding mountains, and weaving using local llama fibers.The town is also a stop along the famous train line, the Tren a las Nubes (Train of the Clouds), on the Salta-Antofagasta rail line
