Khao Cha-Ang is a stone mountain situated in the middle of a plain in Bo Thong District. It has gold, minerals and semi-precious stones and is approximately 30 km. away from the district center, Khao Cha-Ang also features a cave; home of over one hundred thousand fruit bats and 5 levels of Khao Cha-Ang features the natural wonders of stalactites and stalagmites.
Khao Cha-Ang is also a religious place where monks can a religious place where monks can observe Buddhist principles, known as Dharma. The mountain caves are classified as the Water Cave, Bat Cave, Laplae Cave, and te Dragon Cave. After visiting all these caves tourists can continue to the Ang Phak Nam waterfall