Puerto Princesa, Philippines

Underground River Day

11 Nov, 2026

Puerto Princesa

Underground River Day celebrates the Puerto Princesa Subterranean River National Park, a natural wonder recognized among the New Seven Wonders of Nature. Visitors can learn about the rich biodiversity thriving in this unique environment through activities that deepen understanding of the local ecosystem. The event also emphasizes environmental care, encouraging appreciation and protection of this stunning landmark. Alongside educational programs, guests can explore the impressive cave system that defines the park’s allure. The day unites locals and visitors with community events highlighting Palawan’s natural heritage. It offers cultural festivities reflecting the region’s bond with the environment, providing a relaxed way to connect with others who appreciate nature. Whether drawn by the caves or the celebrations, the event offers a meaningful experience beyond sightseeing. Attendees leave with a clearer sense of why this site is so treasured and worth preserving.

More details from the organiser