Yanmen Pass, also known as Xijing Pass, is located on Yanmen Mountain in Dai County, Xinzhou City, Shanxi Province. Formally established as a pass during the Tang Dynasty, it served as a vital ancient military stronghold designed to control the north-south thoroughfare and defend against nomadic forces from the north. The site of the pass shifted several times throughout history, and it became the setting for numerous significant border-defense battles across various dynasties. As an ancient fortification, it held a prominent military position in the northern region and remains an important site associated with historical frontier defense. This 5A-rated attraction is suggested for about 5 hours. Your advisor will manually confirm the ticket arrangement before use.