Mengding Mountain, also known as Mengshan Mountain, is located in the northwest of Mingshan County, Ya'an City. The highest peak is Shangqingfeng, 1456 meters above sea level. Mengding Mountain is named for its "mist and foam". It is called "Xishu leak sky" because of its annual rainfall of more than 2000 millimeters. The term "Yangtze River Zhongshui, Mengshan Peak Tea" refers to one of Ya'an's specialties "Ya'cha", representing tea - "manna. No tea on Mount Mengshan.