Dasan Pass

Dasan Pass
Sanguan Pass
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Traversed by	Provincial Road S212
Location	Baoji City, Shaanxi Pronvince, China
Range	Qin Mountains
Coordinates	34°16′18″N 107°00′36″E / 34.27167°N 107.01000°E / 34.27167; 107.01000Coordinates: 34°16′18″N 107°00′36″E / 34.27167°N 107.01000°E / 34.27167; 107.01000

Dasan Pass or Sanguan Pass (simplified Chinese: 大散关; traditional Chinese: 大散關; pinyin: Da San Guān; lit. 'Great Dissolve Pass') is a mountain pass located west mountain area of the city of Baoji in Shaanxi province.

It was a military mountain gate guarding the Guanzhong Plain since Zhou Dynasty. Because of its strategic location, more than 70 battles had been fought here throughout Chinese history. In year 1131, Song Dynasty generals Wu Jie and Wu Lin brothers were stationed here against Jin general Wanyan Wulu.