Geographical environment of Deyang
Deyang City is located in the northeast edge of Chengdu Plain, with geographical coordinates of 30 ° 31 ′ - 31 ° 42 ′ N and 103 ° 45 ′ - 105 ° 15 ′ E. Deyang borders Fucheng District of Mianyang City in the northeast, Santai County of Mianyang City in the East, Daying County of Suining City and Lezhi county of Ziyang City in the southeast, Jintang County, Qingbaijiang District and Xindu District of Chengdu City in the south, Pengzhou District of Chengdu City in the west, Maoxian County of Aba Prefecture in the northwest, and Anzhou District of Mianyang City in the north. It covers an area of 5910 square kilometers.
Deyang City is located in the transition zone from Longmen Mountains to Sichuan Basin. According to the terrain, there are high mountains, middle mountains, low mountains, hills and plains. It is silkworm shaped from northwest to Southeast. The terrain is high in the northwest and low in the southeast. It is divided into southwest mountainous area and hilly area. The northwest is Longmen mountain area, with an altitude of 2000-3000 meters. The highest peak is shiziwang peak, with an altitude of 4984.1 meters. The central part belongs to the northeast of Chengdu Plain, with an altitude of 465-750 meters. The southeast part of the Longquan mountains is a hilly area in the central Sichuan Basin, with an altitude of 650-1000 meters. The lowest point is at ershui, Shanchuan village, Puxing Town, Zhongjiang County, with an altitude of 308 meters. The plain area accounts for 30.8% of the total area of the city, the mountainous area accounts for 19.7% of the total area, and the hilly area accounts for 49.5% of the total area.