Introduction to Langmao Valley: Langmao Valley is located 400 meters north of the ticket gate of Dasi. The upper end is connected to the Tuanshan Mountains. It is 210-440 meters above sea level. It is a deep ditch with dense trees and many stone caves. Legend has it that in ancient times there were many wild wolves and lynxes in Culai Mountain. There was a severe drought one year and many ditches on the mountain had no water. Only this ditch had water. These wild wolves and lynxes came to this ditch to drink water.