Tongchewan Scenic Area is located in the hinterland of the southern slope of Qinling Mountain, the middle reaches of Wenshui River, Tongchewan Town, Ningshan County, about 18 kilometers away from Ningshan County, 126 kilometers away from Xi'an by the West Han Expressway, with an average annual temperature of 14℃, and an annual rainfall of 900~ 1100 mm. The scenic area is rich in water resources, with rivers, streams, waterfalls, springs, A variety of water landscapes such as Tan. The largest river in Ningshan County, Wenshui River, flows from northwest to southeast through the scenic area, and the total length of the river is101.36 kilometers, of which the river in the scenic area is 12 kilometers.