Phanom Rung is a Hindu shrine. As the cult sect Restoration construction for several consecutive days. Since the 15th century to the 17th century and the 18th century Jayavarman 7 of the Khmer empire, has turned to Buddhism Mahayana. This temple has been converted into a Buddhist monastery. During the first Phanom Rung. Built of pink sandstone Located high atop Khao Phanom Rung 1320 feet above sea level. Phanom Rung name means great mountain. Presumably built in 15-18 century.