Jiankou great wall is located in badaohe village in the northwest of huairou county in beijing about 30 kilometers away from huairou county town it is also situated at bohai town north part at badaohe while south part at bohai jiankou great wall connects to mutianyus east side of the wall and its joined the dazhenyu great wall in the west since the mountain here is higher and steeper this section becomes more winding and varied jiankou is translated as arrow knot in english as t