Underground River in Palawan, Philippines

St. Paul Subterranean National Park. Unesco protected "World Heritage Site". The longest underground river in the

You van. Manila to Puerto Princesa, Palawan. If you are a tourist it's an hour flight, and several airlines fly this route. During the summer, there are about 7 daily flights, but fewer flights during the rainy season. From Puerto Princesa, travelers can either join a tour group (1500 pesos/head) or rent their own shuttle.- Tourist spot in th phlippines, best travel destination