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都江堰市位于成都平原西北边缘,距成都市区48千米,以著名的都江堰水利工程而得名。地理坐标为东经103°25’42“~103°47’、北纬30°44’54”~31°22’9“。东西宽54千米,南北长68千米,地跨川西龙门山地带和成都平原岷江冲积扇扇顶部位。市境内地势西北高、东南低,全市山地丘陵面积占65.79%,平坝面积占34.21%。地势从高山、中山到低山再到平原逐级降低,海拔592~4582米,相对高差3900米。都江堰市在地质构造体系上,属华夏构造体系,跨成都平原和龙门山地区两个不同自然地理区,地貌单元属岷江冲积扇一级阶地。
Dujiangyan City is located in the northwest edge of Chengdu Plain, 48 km away from the Chengdu area, named after the famous Dujiangyan Irrigation Project. Its geographical coordinates are 103 ° 25’42 ”~ 103 ° 47“ east longitude and 30 ° 44’54 ”~ 31 ° 22’9" north latitude. The east-west width is 54 kilometers and the north-south length is 68 kilometers. Mountain and the Chengdu Plain Minjiang alluvial fan top city territory topography northwest high, southeast low, the city’s mountainous area accounted for 65.79%, Pingba area accounted for 34.21% .From the alpine, Zhongshan to the lower reaches of the plains and then gradually reduce , Elevation of 592 ~ 4582 meters, the relative elevation of 3900 meters Dujiangyan City in the geological structure system, is the Huaxia structural system, across the Chengdu Plain and Longmenshan two different natural geographical regions, geomorphic units belong to the first terrace of the Minjiang alluvial fan.