This mountain measures up to 131 meters in height and runs 60 meters deep. The mountain boasts of a natural cave believed to have formed in 263 AD.
The cave is a natural formation and it’s naturally shaped like a door. It is believed to have formed when an old cliff broke and collapsed. Chinese people believe that this formation is unique
The Tianmen Mountain also has a 500-year-old temple called the Tianmenshan temple situated on its top and hence the mountain is a major place of worship for the Chinese. Written as Tien Men Shan in Chinese, the mountain has longer days and shorter nights. The temperature is around 9 to 10 degree centigrade through most of the year. In July 1992, the Heaven Gate Mountain was established as a national park and a potential tourist attraction.