Profile of Hongyuan: Hongyuan County is a county under the jurisdiction of the Aba Tibetan and Qiang Autonomous Prefecture of Sichuan Province. The geographical coordinates are 31°51～33°19′ north latitude and 101°51′～103°23′ east longitude. The county's average elevation is 3,600 meters, and the county town of Tunxi is 3,507 meters above sea level, with a total area of ​​8,439.94 square kilometers, 154 kilometers long from north to south, and 55 kilometers wide from east to west. The county seat is 445 kilometers away from Chengdu and 190 kilometers away from the state capital Malcom.