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Photo: Flaumfeder, CC BY-SA 4.0 via Wikimedia Commons
Hangu Pass is located on the plateau to the west, Jue Jian to the east, Qinling Mountains to the south, and the Yellow River to the north. It is one of the earliest established fortresses in Chinese history. It is located in Wangduo Village, 15 km north of Lingbao City, and is close to the bank of the Yellow River. Due to being closed in the valley and as dangerous as a letter, it is called Hangu Pass. This used to be an ancient battlefield where war horses roared, and it was also an important gateway to the Jianmen Pass, where "one man is in charge, ten thousand men cannot open". This is also the place where ancient Chinese philosopher and philosopher Laozi wrote the 5000 character "Tao Te Ching". For thousands of years, many Taoist and Taoist figures from both domestic and foreign countries have come here to worship their ancestors.
Hangu Pass or Hanguguan was a fortified gateway that commanded the strategic mountain pass between the Yellow River and Qinling Mountains, forming the main choke point on the only land corridor between the Central Plain and the Guanzhong region. The pass restricted access into the lower Wei River valleys, where the heartland of the state of Qin and the unified Qin dynasty were located, as well as the subsequent dynasties of Han, Sui and Tang.
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