Located 10 km southeast of Jiexiu City Dragon Wall Township village, backed by Mianshan, face green, altitude 1040 meters, 1300 meters weekly circular area of about 12 million square meters. Plateau potential along the entire castle built high in the south than the north. Looking down from the North Fort, left, center and right have a deep groove down the extension.
Underground tunnels around the castle, and Baonei accessible. Typical for the three-dimensional, high-rise is only about 1 m above the ground, middle 8-10 meters from the ground, the bottom17-20 meters above the ground. Each 2 meters high, 1.5 meters wide, soil structure, the bending blur, reticular structure.

Jiexiu railway station car leading to the castle wall sheets.

40 yuan.