Dahuashan is a town in the northwestern part of Pinggu District, Beijing, China. It borders Jugezhuang and Dachengzi Towns to the north, Zhenluoying Town and Xiong'erzhai Township to the east, Wangxinzhuang Town to the south, and Liujiadian and Dongshaoqu Towns to the west.
The town's southern portion is an alluvial plain, while mountains surround it on the other three sides. As of 2020, Dahuashan had a population of 15,209.