2008-01-27: I have updated the URL for more details on Gua Tempurung: http://www.asiaexplorers.com/malaysia/gua_tempurung.htm

Gua Tempurung (literally, cave of the coconut shell), is one of the most extensive cave systems in peninsula Malaysia. Located in Gopeng, Perak, it is accessible from the North South Highway by exiting the Gopeng Interchange approximately 25 kilometres south of Ipoh.

The length of the cave is about one kilometre, and can be covered within one and a half hours return journey, unless many stops are made. A ... (more)