The Jinkou River Grand Canyon is also known as the Dadu River Grand Canyon. As the name implies, the river in the middle of the valley is the Dadu River. After the construction of the hydropower station, the river of the Dadu River is very gentle. The grand canyon is located at the junction of Leshan Jinkou River, Ya'an Hanyuan and Liangshan Ganluo. It runs from the Jinkou River to the Us River in the east, with a total length of 26 kilometers. The canyon is less than 200 meters wide and the valley is 2,600 meters deep. It is steep and magnificent, comparable to the Three Gorges of the Yangtze River and the Grand Canyon of the United States. The two peaks of the gorge on the banks of the gorge, the gorge of the canyon, the geological astronomical book, has been rated as one of the "Top Ten Gorges in the Country" by China National Geographic magazine.