Introduction to Rainbow Waterfall: Rainbow Waterfall is located in the middle and lower reaches of Monkey River. The waterfall is 80 meters high and 25 meters wide. The average flow rate is 2.0 to 5.0 cubic meters/second. The water flows down from Monkey Cliff with majestic momentum and roar. Like thunder. According to legend, the Cowherd happened to meet the Weaver Girl in the Monkey River Gorge while herding cattle on the Cow Grass Mountain opposite, and this became a legend that will make people sigh. The rainbow where they meet once a year has become an infinite beauty in people's hearts, and the Dabie Mountain Rainbow Waterfall is also famous for it.