Tham Phet or Phet Cave
is located 3 kms from the intersection at Ao Luk Nua market. In front is enshrined an image of Buddha. The name of this cave "Phet" means "diamond", and indeed sparkling stone casts beautiful reflections on the cave walls. The best way to get there is to first contact the National Park Office at Tharn Boke Korani for guide. Be sure to bring along a flashlight.