Yanzi River Grand Canyon is located in Yanzi River Town, Jinzhai County, the famous general county of China, in the old red revolutionary area of the Dabie Mountains. It is connected with the last primitive forest in East China and Tiantangzhai Scenic Area, a national forest park, with a total length of about 4800 meters. The highest peak of the valley is 568 meters above sea level, the lowest is about 350 meters above sea level, and the deepest part of the valley is about 218 meters.