Introduction to Hulu Valley: is a valley surrounded by a hanging ditch, surrounded by mountains. Only the 8-meter-wide mountain pass at Hulukou is connected to the outside world, making it feel like a "paradise". There are dense vegetation in the valley, clusters of colored stones, stacked pools and waterfalls, more than 50 places including Chuanshi Waterfall, White Dragon Waterfall, Chuanyun Stone, Longgu Tree, Changbanxinglong, Xianqiao, villa ruins, colorful board Changliu, etc. The scenic spots are gathered together, and every five steps is a stone, and every ten steps is a scene.