Introduction to Hongyan Reservoir: Hongyan Reservoir is located about one kilometer in front of Hongyanshe, Shanzhong Village. It is the source of the Mayang River basin. It is mainly used for irrigation and combined with power generation. The four red characters "Hongyan Reservoir" written on the front of the dam are particularly eye-catching. The reservoir area is densely wooded and has beautiful scenery. Walking on the road around the reservoir, the scenery is different every step of the way.