Luobi Cave Luobi Cave Luobi Cave () is a karst cave under the west face of Yin Ridge (印岭) located north east of Lizhigou Town (荔枝沟镇), from Sanya City, Hainan Province, People's Republic of China. The entrance to the cave is approximately high and wide. Inside the apex reaches a height of with a floor area of about Two large stalactites hang down from the roof like large pens, hence the cave's name. A number of inscriptions carved into the walls of the cave are believed to date to the Yuan Dynasty (1271–1368). One of these refers to the precise date of
Petty John's Cave use or trust any ropes or lines left in the cave. Please also help this much abused cave by not damaging formations and packing out trash. The Bridge Room is a good place to take a rest. You can hang your legs over the edge and listen to the stream that is 80 ft below. The Worm Tube leads to the Echo Room, which is the biggest room of the cave. The Volcano Room is shaped like a large funnel and it leads to the stream passage and the sump. The Over-Under Room and the Signature room are also other