Black river is located in the territory of Xiushan County long chizhen, near Yong Dong Xiang River scenic area is located in the cover, river scenic area planning within the scope of cover, intends to test the black hole drift starting point, end point of small dam village 7.5 kilometers in length. Along the way through the black hole and two hole Sichuan natural cave, along with cliff Maninsan 1000, on both sides of a hanging on the beautiful scenery, waterfalls, bridges and other fascinating scenery; cypress pines, fish bottom natural taste is very refreshing, a road refreshed; rapids waterfalls, straight and comfortable suddenly let floating people wander in Wonderland, and from space