Qianhu Mountain Tibetan language called "Ram Dongcuo", meaning goddess Qianhu Lake or fairy Qianhu Lake, with the three blue sea and the big black sea as the center, scattered around. Qianhu Mountain lakes are round like a mirror, some long like swimming fish; some are open and flat, some are deep and quiet; Some half rings in the depths of the mountains, some are hidden in the cuckoo bush, some are like pearls and jade strings, some are hanging in the middle of the meadow; some strange stones are exposed like crocodile probes, some water color is deep like a bottomless abyss... It is really a thousand. The surrounding area of Qianhu Mountain is covered by virgin forests, mostly fir and spruce with large and straight trees. The lake is full of rhododendrons, mostly yellow rhododendrons, red rhododendrons and white rhododendrons. There are nearly 300 alpine lakes in Qianhu Mountain, large and small, centered on the Sanbihai and the Great Black Sea, all distributed at an altitude of 3800 meters to 4000 meters, which is the most concentrated place of alpine lakes in Yunnan.