Shuidonggou (Chinese: 水洞溝) is located in Linhe (臨河) Town, Lingwu (靈武) City, Ningxia (寧夏) Region, China. In the Ming Dynasty (1271-1368), Shuidonggou Site was a military defense base along the Great Wall of China.
Troops Hidden Cave (藏兵洞) was one of the military facilities built to defend against the northern nomadic tribes.
Troops Hidden Cave was located at the south of the Ming Great Wall, which was used for hiding soldiers and as a base for sneak attacks on invaders.
The cave has all kinds of military facilities including galleries, observatories, weapons storeroom, lounges, meeting rooms and kitchens for generals and soldiers.
Troops Hidden Cave is incredibly large, tourists will also be surprised by its labyrinth-like structure and excellent design.
There are so many hidden traps inside the cave, but all of them are covered or deactivated, don’t worry.
Not too far from the cave is the passage of Hongshan Fortress (紅山堡). It is said that there were three different passages leading to the Hongshan Fortress from the Troops Hidden Cave, but only this one has been found.
