Its north-west region forms a border with southern Ngawa Tibetan and Qiang Autonomous Prefecture.

Li Bing gave up the old ways of dam building, which were simply directed at flood control, employing a new method of channeling and dividing the water of the Min River.

The whole system has functioned for 2,000 years, preventing floods and providing substantial irrigation and facilitating shipping and wood drifting.

[2][3][4] Dujiangyan has a monsoon-influenced humid subtropical climate (Köppen Cwa) with cool, dry winters and hot, very wet summers.

Dujiangyan has 6 subdistricts and 5 towns:[9] A tram system with two lines and 17.3km of track opened in 2024.