Ancient City Site of Ma'anshan

　　The Ancient City Site of Ma'anshan in Boli is situated in Ma’ancun Village, Changxing County, Boli County, about 0.5 kilometers to the northwest, 2.5 kilometers to the southeast from Ma’anshan, 2 kilometers to the northeast from Dajia Mountain, and 0.5 kilometers to the southwest from Ma’ancun Village. It borders mountainous terrain to the northwest. The site was discovered in 1983 and was initially built during the Warring States period.

　　The total area covers 38,000 square meters, consisting of four hilltop fortresses, each situated on the top of a small hill and arranged in front, back, left, and right positions. The outer city wall is 9 meters high with an average thickness of about 1 meter. The outer perimeter is approximately 300 meters, while the inner perimeter is about 240 meters. Artifacts unearthed at the site include stone mill rollers, pottery jars, net sinkers, and other objects.

　　Address: Within Boli County, Qitaihe City