Introduction to Hongwan: Hongwan Bay is 275 meters above sea level, 40 meters in circumference, 133 square meters in area and 2.5 meters deep. It is located 1,000 meters northeast of Huangshi Cliff, in the ditch on the west side of Zhuanshanzi. The stream is gurgling all year round, and where it flows there is a flat boulder with colorful patterns, which is amazing.