Beijing Center located at latitude 39 degrees 54 minutes east longitude 116 degrees 23 minutes. Located in the northwest edge of the North China Plain. Adjacent to Beijing and Tianjin, and Hebei Province and Tianjin is surrounded together. Beijing's west, north and northeast, surrounded by mountains, southeast of the Bohai Sea is slowly inclined to Beijing plain. Altitude Beijing Plain 20-60 meters, 1000-1500 meters altitude mountain general, and Hebei at the junction of East Mountain 2,309 meters above sea level, is the highest peak in Beijing. River runs through the territory of five, mainly east of the Yongding River and Juma Chaobai River, North Canal, west. Beijing terrain northwest to southeast. The Taihang Mountains west of Xishan Mountains, Yanshan Mountains in northern army are mountains, two mountains in the South Side ditch clearance intersect, forming a semicircle to the southeast expand mountain bend, known as "Beijing bend" around it the small plain is Beijing small plain. Looking at Beijing terrain, mountains breasted sea, majestic situation. As the ancients said: "You state land, sea left ring and right owner Taihang, North pillow Guyan, South lapel river Ji, sincerity land of abundance."