Shanhaiguan is located in the northeast of Qinhuangdao City, Hebei Province 15km, bordering Yanshan Mountain in the north and Bohai Sea in the south. The terrain is dangerous. It is the throat of Northeast China and North China, and it is a battleground for military strategists. It is known as "the key to Kyoto". In the 14th year of Hongwu in Ming Dynasty (138 1), General Xu Da built the Great Wall, built a pass and set up guards here, so it was called "Shanhaiguan" because it was between mountains and seas.
Juyongguan, located in the northwest of Changping County, Beijing, is one of the dangerous passes of the Great Wall. Guancheng Tower is located in the middle of a valley with a length of 15km, which is called "Guangou". The mountains on both sides overlap, with lush trees and beautiful scenery. The Jin Dynasty was called "Juyong Diecui" and was once listed as one of the eight scenic spots in Yanjing. The situation in Juyongguan is very dangerous. It is the northwest gateway of ancient Beijing and a battleground for military strategists in past dynasties.
Zijingguan, located on Zijing Mountain in Yixian County, Hebei Province, is one of the important entrances of Hebei Plain into Taihang Mountain.
Niangziguan is located in the east of Yangquan City, Shanxi Province. It was built in the early Tang Dynasty and is an important pass of the Great Wall. Princess Pingyang, the sister of Emperor Taizong, once led the army here, so she changed her name to Niangziguan. Here the mountains are steep, the waterfalls are towering and the situation is dangerous.
Located in the northeast of Fan Shi, Shaanxi Province, Pingxingguan is a key point of the Great Wall. It is a transportation hub from northern Shanxi to Hebei.
Yanmenguan, located in the north of Daixian County, Shanxi Province, is one of the most important entrances to the Great Wall. "The Book of Diseases in Counties and Counties in the World" records: "The ancient sentence of Yanmen notes that the land in the west is a land of heavy mountains and green flowers, with clouds and clouds, and the two mountains are opposite, like a door, from which the famous geese come out, hence the name." The nearby peaks are staggered, steep and gloomy, with roads in the middle, winding around the city, which is extremely dangerous for successive dynasties.
Jiayuguan is in the west of Jiayuguan City, Gansu Province, south of Jiayu Mountain, at the end of the Great Wall. Qilian Mountain in the south and Mazong Mountain in the north are located at the narrowest part of Hexi Corridor. The terrain is very dangerous, and it has been a military town in history. More than two thousand years ago, Emperor Wu of the Han Dynasty sent Zhang Qian to the Western Regions twice, which was adopted from here.
Wushengguan is located in the south of Xinyang County, Henan Province. Wushengguan, together with Pingjingguan and Jiuliguan, is called "Yiyang Three Passes", which is the main traffic artery between north and south, and also the ancient military pass to counter north and south.
Friendship Pass is located in the southwest of Pingxiang City, Guangxi Zhuang Autonomous Region, and is the border pass of China. Founded in the Hongwu period of Ming Dynasty, it was called Zhennanguan, changed to Munanguan in 1953, and changed to Friendship Pass in 1965, which is the traffic artery from China to Vietnam.