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Palawan Underground River

Places, Travel

Palawan Underground River Trip Is Long But Worth It

The Palawan trip will never be complete without visiting the world’s longest navigable underground river — the Puerto Princesa Underground River. A National Park since 1992, the underground river is more than 24 km (15 mi) long with 8.2 km (5.1 mi) long underground section of the Cabayugan River. It…

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