It is about 15 kilometers away from Changning County. It is named after seven tombs on the cliffs of the scenic spot. The scenic area is densely forested, with lush vegetation, streams running vertically and horizontally, and bamboo in the Bamboo Sea of Southern Shu belongs to semi-artificial management, and all the bamboo forests here are primitive. Mianxi River drift is known as the first drift in southern Sichuan.