Chengzihoushan City

It is located to the east side of Diaoshuilou Waterfalls, and is the only relic city of Eastern Xia Empire (equivalent to the Song Dynasty) ever discovered in Heilongjiang Province. The mountain city is surrounded by Mudan River in three sides. The mountain has cliff on the eastern, western and northern sides, and the city situates on the top of the mountain. The periphery of the relic city is about 3 kilometers with a stone wall in the city and three obsolete wells outside. The inner of the city is generally flat and is now used as farmland. The city is listed as a provincial-level archaeological and cultural protection site.