Dujiangyan is located in Dujiangyan City, Chengdu, Sichuan Province, China, at the upper reaches of the Minjiang River.
Its specific geographical coordinates are 30°59′ north latitude and 103°36′ east longitude. It is the oldest non-dam water diversion project in the world, constructed around 256 BC by Li Bing and his son, governors of the Shu Prefecture during the Qin Dynasty.
To this day, it continues to play a vital role in water management. The Dujiangyan Scenic Area includes three main components: the Fish Mouth Levee, the Flying Sand Weir, and the Bottle-Neck Channel, showcasing the remarkable ingenuity of ancient Chinese hydraulic engineering. The area also features historical and cultural relics such as the Erwang Temple and Fulong Temple, blending natural and cultural landscapes.
Dujiangyan was listed as a UNESCO World Heritage Site in 2000.
