Longqing Gorge is located in the northwest of the ancient city estuary of Gucheng Village, 10 kilometers northeast of Yanqing District, Beijing, and 85 kilometers away from Beijing city. Longqing Gorge, known as the "Nine Winding ancient City", is known as the "little Lijiang River" of Beijing and one of the sixteen scenic spots in Beijing. Its water source in the east foot of the sea tuo Mountain, through the yudu mountain into the ancient city reservoir.