7. Puerto Princesa Underground River
Puerto Princesa Underground River is the longest navigable underground river in the Philippines and in the world. The cave is located in Puerto Princesa, Palawan. It has a tatal of 24 kilometers long navigable cave. It is the 3rd deepest cave in the country. Stalactites and stalagmites formations are everywhere. If you got a wide imagination, you can really appreciate the place.
8. Sohoton Cave
Sohoton Cave is popular for its entrance. The entrance is like a cathedral. Sohoton cave is located in Basey, Samar.