Puerto Princesa Underground River, Palawan, Philippines

To safeguard the pristine beauty and delicate ecosystem of the Underground River Philippines (Puerto Princesa Subterranean River National Park), a UNESCO World Heritage Site nestled in the lush landscapes of Palawan, Philippines, daily access to the cave is carefully regulated. The number of tourists allowed to explore this natural wonder is limited to ensure its preservation for future generations. Consequently, visitors eager to witness the majestic underground river must plan ahead and secure their tour slot in advance of their travel to Palawan. Local travel agencies offer their expertise to help travelers obtain the necessary permits and reserve a slot for the highly sought-after cave tour.