Jiankou

Jiankou (Chinese: 箭扣; pinyin: Jiànkòu) is a section of the Great Wall of China.

[1] The wall is 20 km long and located 73 kilometres (45 mi) north of Beijing in the Huairou District.

[4] The Jiankou Great Wall is a non-ticketed section that runs from the 23rd tower of Mutianyu Great Wall to Beijing Knot, passing through landmarks such as Ox Horn Edge, Jiankou (Arrow Nock), Sky Ladder, Upward Flying Eagle Tower (鹰飞倒仰 / 鷹飛倒仰), Beijing Knot and Nine-Eye Tower.

[1] This section of the wall is mostly unrestored, with recent restoration done in 2015-2019 which helped preserve a 750m long-section.

[5] The Jiankou Great Wall remains a popular hike amongst visitors with available guided tours by locals,[2] as a scenic route that overlooks the mountains and other sections of the Great Wall.