Dujiangyan is a county-level city of Chengdu, Sichuan Province in China. It has an area of 1208 square kilometers and a population of 600,000 in 2003.  Historically known as Guanxian, Dujiangyan was renamed in honor of the Dujiangyan Irrigation System, located in the northwestern area of the city, famous for still providing neighboring major city Chengdu with water even though it was built around 250 BC.

Around 250BC during the Warring States Period (475-221BC), Li Bing, a governor of Shu in the Qin state (present Sichuan Province) with his son directed the construction of Dujiangyan. The governor gave up the old way of dam building, which was simply try to catch the floodwaters. Instead he employed a new method by channeling and dividing the water to harness the Min River. He accomplished this by separating the project into two main parts: the headwork and the irrigation system. The project effectively put flood waters under control. For over two thousand years the whole system has functioned perfectly, serving not only for flood prevention but also as an immense source for irrigation and a means to facilitate shipping and wood drifting. It has contributed greatly to the richness of Chengdu Plain with its reputation as "The Land of Abundance".

On 12 May 2008, Dujiangyan was the closest to the epicenter the Sichuan earthquake.

The most updated news of Earthquake in Dujiangyan
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Tours to Dujiangyan Irrigation System