Yunlong County is located in the Lancang River Zonggu District, Xi'an, is the junction of Dali, Baoshan City, Nujiang County. Donglian Wuyuan, Jixian County, south of Yongping County and Baoshan City, Xishui County in the west, Jianchuan County in the north, Lanping County. The total area is 4400.95 square kilometers, the basic terrain is high in the east and west, the middle is low, and it gradually decreases from north to south. It is a mountainous terrain, and from the west to the east, there are Chongshan Mountains, Panshan Mountains, and Qingshuilang Mountains in turn, accounting for more than 90[%] of the total area of the county.