Chifeng City is located in the northern foot of Yanshan Mountain, the southern section of Daxing 'anling Mountain, and the transition zone from Gaoping Plateau in Inner Mongolia to Liaohe Plain. It has a total area of 9002 1 km2, the widest from east to west is 375 km, and the longest from north to south is 457.5 km. The geographical environment is complex and diverse, including mountains, plateaus, hills, basins and plains. There are mountains and rivers: as far as the eye can see, there are large areas of sandy land, natural forests, grasslands and fertile fields. The overall landform belongs to mountainous and hilly areas, and the middle and low hills account for about 73.3% of the total land area. The terrain is high in the west and low in the east, surrounded by mountains on three sides in the north, west and south, with the highest elevation of 2067 meters in the west and less than 300 meters in the east. Chifeng City is located in the east of Inner Mongolia Autonomous Region, adjacent to Tongliao City in the east, Chaoyang City in Liaoning Province in the southeast, Chengde City in Hebei Province in the southwest and Xilin Gol League in the northwest. Its geographical coordinates are 4 1 1 7'-45 24' east 1 1 6 2 1.