Zhangfang Ancient Battle Way is located in Zhangfang Ancient Town Fangshan District, 80 kilometers away from the urban area of Beijing. As the ancient battle way is measured at the first stage, it is about 1500 meters long and more than 500 meters have been repaired and opened to public.
Zhangfang Ancient Battle Way, which could date back to Song and Liao Period, is known as the only ancient military establishment discovered around Beijing with the weapon room, commanding room, resting room, living room and life facilities and has great value for the research of ancient military, politics and construction. With 2 meters wide and 2.3 meters high, the underground battle way was built by bricks. Launder and water urn were built along side. Visitors could also see the oil lamps on the wall, blowholes at the top and one deep water well in the tunnel.