Ran Zhuang Tunnel Warfare Site, located in Ran Zhuang Village, Ran Zhuang Town, Qingyuan District, Baoding City, is an important battlefield in War of Resistance against Japanese Aggression.
Ran Zhuang tunnel was excavated in the 27th year of the Republic of China (1938), expanded in the 32nd year of the Republic of China (1943) and basically completed in the winter of the 33rd year of the Republic of China (1944). The overall protection area of the site is 300,000 square meters, and the key protection area is 260,000 square meters.