The Juma River is a perennial river in Hebei Province, a tributary of the Daqing River, one of the five major river systems in Beijing. It originated from the Taihang Mountain in the northwest of Wuyuan County, Hebei Province. It entered the market in the village of Shigang Village, Shidu Town, Fangshan District, Beijing, and passed through Shidu Scenic Area, Zhangfang Town and Nanshangle Township. Zhangfang Village in Zhangfang Town is divided into two parts. The north branch is the North Juma River, flowing through Nanshangle Township, east of the city of Erhezhuang Village. It is called Baigou River in the east of the village, and merges into the Daqing River in the Baigou Town and the South Juma River.