Puerto Princesa Underground River
Puerto Princesa Underground River: Journey Into Earth's Wonders
Beneath the limestone cliffs of Palawan's western coast, hidden from the tropical sun, lies one of the world's most remarkable natural phenomena—an underground river that flows for over eight kilometers through an immense cave system before emptying directly into the South China Sea. The Puerto Princesa Subterranean River National Park protects this geological masterpiece, recognized as both a UNESCO World Heritage Site and one of the New 7 Wonders of Nature. For visitors to Palawan, the underground river represents an essential ex...
