Longsheng Town is located in the west of Suining City in central Sichuan, with east longitude 105 2 1' and north latitude 30 36'. It is connected with Mazhen in the east, Guihua Town in Suining in the south, Jinyuan Township in Daying County in the west and Mingxing Town in Shehong County in the north, with an area of 65,438+. Longsheng Town is located in the middle and lower reaches of Yongjiang River in the east and north of Sichuan. Except for the dam land with alluvial soil on both sides of Yongjiang River, the rest are shallow hills and gullies with red, brown and purple soil. Besides Yongjiang River, Huanglaxi and Yan Zhi run through the whole territory. There are 3,750 hectares of cultivated land, including 3,034.2 hectares of forest land, with 0.7 mu of cultivated land per capita. The whole town belongs to the subtropical humid monsoon climate zone in central Sichuan, with distinct seasons, mild climate and abundant rainfall. Average daily temperature 17.5℃, average annual rainfall of 925mm, and frost-free period of 298 days. Its light and heat conditions are good, the climate is pleasant, and it is suitable for the growth of many crops. The dominant wind direction is northwest wind.
Hydrology: the average flow rate of Yongjiang River is 9.97m3/ s, the maximum flow rate is 1984m3/ s, the flow rate is zero in dry season, and the once-in-20-year flood level is 299m.