Palawan | The Cave Is Two Days From the Coast
Palawan is home to the Puerto Princesa Subterranean River — officially the world's longest navigable underground river at 8.2km. The word 'navigable' is doing significant work. A diving team working the Puerto Princesa system in 2023 found a passage the official survey missed. It runs deeper and north. Four kilometers in, their lights showed a ceiling of dry rock above the waterline — and something on it.
About Palawan | The Cave Is Two Days From the Coast
Palawan is home to the Puerto Princesa Subterranean River — officially the world's longest navigable underground river at 8.2km. The word 'navigable' is doing significant work. A diving team working the Puerto Princesa system in 2023 found a passage the official survey missed. It runs deeper and north. Four kilometers in, their lights showed a c...Read more