Shangri-La is located in the northwest of Yunnan Province, in the hinterland of Hengduan Mountains on the southeast edge of Qinghai-Tibet Plateau, and in the east of Diqing Tibetan Autonomous Prefecture. Located between 99 20 ′ ~10019 ′ east longitude and 26 52 ′ ~ 28 52 ′ north latitude, at the intersection of Yunnan, Sichuan and Tibet, it is the hub of the "Yunnan-Tibet Tea-Horse Ancient Road". It is connected to Daocheng County and Muli County in Sichuan Province in the east, across the Jinsha River from Yulong County, Weixi County and Deqin County in Lijiang City in Yunnan Province in the southeast, and adjacent to Derong County and Xiangcheng County in Sichuan Province in the northwest. The east-west span of the city is 88km, and the north-south span is 218km, with a total area of 1 16 13 square kilometers. Shangri-La City is located in the east of Sanjiang Vertical Valley in Hengduan Mountains on the southeast edge of Qinghai-Tibet Plateau. Shaluli Mountain Range enters the county seat from Ganzi, Sichuan, and divides into two branches around the east and west sides of the county seat. Jinsha River enters the county from Tuzhaobi, flows south between Sasubi and Shigu in Jinjiang Township, and suddenly turns northeast until Rocky Jixin flows into Ping Zi, Sichuan, and surrounds the south of the county. Shangri-La has become a magnificent place with "Snow Mountain as the city and Jinsha as the pool" with narrow ends and wide middle. The general trend of the county topography is high in the northwest and low in the southeast, in which the highest point in balague is 5545 meters above sea level, and the lowest point in Luoji Jixin is 1503 meters above sea level, with a height difference of 4042 meters and an average elevation of 3459 meters. According to the landform, the county topography can be divided into mountains, plateaus, basins and valleys.