‘Diamond Cave’, is the name of a
located on the small peninsula of Railay. This small
limestone cave is about 130 meters deep and has a
bridge-like walkway for visitors to facilitate sightseeing.
It is home to some Micro-bats
that dwell between its stalactites and stalagmites. The cave is also
known as Tham Phra Nang Nai, i.e. ‘Inner Princess Cave’ or ‘Inner