Physical geography 1. Geographical location: East longitude (102.49 ` - 104.30) North latitude (29.30-30.16 `) is located in the southwest of Chengdu Plain, the fan shaped area in the middle reaches of Minjiang River and the lower reaches of Qingyi River, and the middle section of Chengdu Leshan Golden Corridor.Looking at Leshan in the south, Ziyang in the east and Ya'an in the west, it is the key point and south gate of Chengdu Plain connecting South Sichuan, Southwest Sichuan, West Sichuan and Yunnan.2. The natural environment Minjiang River and Qingyi River run through the territory, and the two banks are mainly plain and river alluvial flat dams.The two wings of Longquan Mountain in the east, and most areas in Danling, Pengshan and Hongya in the west are low mountains and hills, with an altitude of 800-1500m at 500-800m. Mesozoic red rock strata are widely distributed
