Construction of the Dujianyang Irrigation system began in the 3rd century BC, and it continues to control the waters of the Minjiang river and distribute it to the fertile farmland of the Chengdu plains. Mount Qingcheng was the birthplace of Taoism, which is celebrated in a series of ancient temples.

The Dujiangyan Irrigation Project is long-established water conservation works. It is 56 kilometers (34.8miles) west of Chengdu at Dujiangyan city lying in the middle reach of Minjiang River, which is the longest tributary of Yangtze River.

Since ancient times the Minjiang River has surged downward from Mt. Minshan thrusting itself into the Chengdu Plain. When reaching the flatlands the rivers speed slowed down abruptly. Thus the watercourse filled up with silt making this area extremely vulnerable to flooding. The people living on the Chengdu Plain consequently suffered a great deal from frequent floods.

Around BC 250 during the Warring States Period, Libing, a governor of Shu in Qin state (present Sichuan Province) with his son directed the construction of Dujiangyan. The governor gave up the old ways 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 Minjiang River. He accomplished this by separating the project in to two main parts: the headwork and the irrigation system. The project effectively put the flooding waters under control.

For over two thousand years the whole system has functioned perfectly, serving as not only as flood prevention but also as an immense source for irrigation as well as a means to facilitate shipping and wood drifting. It has contributed greatly to the richness of Chengdu Plain and helps it earn its reputation as "The Land of Abundance".

On 12 May 2008, Dujiangyan was the closest to the epicenter the Sichuan earthquake.  it is also one of the worst-hit areas of the quake.

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Tours to Dujiangyan Irrigation System