about 18 km. From Na Yai Arm Market in Tamai. There are about 80 caves in this area of limestone mountains. Some of which are, Rakon cave, Phet cave, and Chedi cave.
Khao Chamao Waterfall: this waterfall is located near the park headquarters. It is a large waterfall spread with many levels along a stretch of 3kms. The water is clear, making it easy to spot all the fish in the pools. Chan Wang Machar is a particularly nice level to visit. There is a trail leading to the waterfall which passes through scenic forest and also it has rest shelters and toilets.
Khlong Pla Kang Waterfall: Klong Pla-Gang Waterfall this is the most beautiful waterfall in the park. 5km from park headquarters, passing through rich forest, many orchids, ferns and medicinal plants can also be seen along the trail to the waterfall.
Khao Wong Caves Par Sawan (Sawan Cliff): Erected over a waterfall which has clear water flowing for 900 meters, Par Sawan is on a route passing productive rain forest which consists of woods and Prong (a kind of Cycadaceae), and inhabits many kinds of wild animal. Traveler can clearly see the scenery of Khao Lam Ya and Samed Island on the sunny day.