Jian Kou (Arrow Entrance)
It’s located in Huai Rou County, between Mutianyu to the west and Huanghuacheng Great Wall to the east. It’s well-know for its white rocks . the main section of the wall were built on the steep cliffs with iron shoulder poles inserted between.
Liking Huanghuacheng and Simatai, this section of wall are gaining more and more popularity for the adventurous and the backpackers