Introduction to Xiling Gorge: Xiling Gorge starts from the mouth of Xiangxi River in Zigui County in the west and ends at Nanjinguan in Yichang City in the east. It is 76 kilometers long and is the longest canyon among the Three Gorges of the Yangtze River. Because it is located to the west of Xisai of Chu and Yiling (the ancient name of Yichang), it is called Xiling Gorge. It is the longest gorge among the Three Gorges. From top to bottom, it is divided into four sections: Xiangxi wide valley, upper Xiling Gorge wide valley, Miaonan wide valley, and lower Xiling Gorge canyon. There are three cities along the river: Badong, Zigui and Yichang. The main attractions are: Bingshu Baojian Gorge, Niuganmafei Gorge, Dengying Gorge, Huangniu Gorge, Baigou Gorge, Mountain Ridge Gorge, etc.