Goa lavas, which means "bat cave", is located in the small district of Bali called Klungkung, which is located in the eastern part of the island of Bali and a half hours from the city of Denpasar. A more precise location of the caves - Dawan district, village Pasinggahan.

Goa lavas - natural caves fairly complex form, which goes deep into the mountains and stretches for about 19 km. UNESCO, as well as many other international organizations have repeatedly asked the Indonesian government for permission to conduct the study of the cave. However, the expedition that went to explore the cave, unfortunately, did not come back, so the government decided to no longer make efforts to explore the cave, and strictly follow this.

If you look at the cave from a distance, it may seem that the cave alive because of the walls, which seemed to move. And only coming closer, you see that the walls are not moving, and that impression created thousands of bats clinging to the cave entrance.

Inside the cave, no one is allowed, although there are the brave who dare to look. At the slightest rustle of bats begin to rush through the cave and produces a characteristic squeak. Happy mouse sleeping in a cave, and when the sun goes down countless bats with inherent only to them sounds fly out of the cave in search of prey. The spectacle of a peculiar, sometimes quite eerie, guides warn visitors about it.

There is speculation that in addition to the bats in a cave and live rats and snakes. Among the local population there is a legend that in the depths of the cave lived a terrible monster.