The Badaling Great Wall locates the northwest of the Beijing is a pass of Jundu mountain. It extends in all directions which is the reason it be called Badaling.
The name of Badaling, can be read in the oldest poem "Visit Badaling in the Night" that wrote by Jin dynasty poet LiuYing and "Come out Badaling". In the Yuan Dynasty, it was called as "North mountain pass", which is comparative to the "South mountain pass".