Puerto Princesa Underground River

The Puerto Princesa Underground River in Palawan, Philippines, is a remarkable natural site known for its stunning limestone karst landscape and biodiversity. This underground river stretches over 8 kilometers long, making it one of the longest navigable subterranean rivers in the world. Visitors can explore the first section of the river through guided tours that showcase its unique rock formations and diverse wildlife. The park has specific opening hours, which are essential to check before planning your visit to ensure you have access at the right time.

Additionally, the Puerto Princesa Underground River is a UNESCO World Heritage Site, highlighting its global importance and conservation value. It is home to numerous species of flora and fauna, some of which are endemic to the area. To protect this delicate ecosystem, visitor numbers are regulated, so its advisable to book your tour in advance. This careful management helps preserve the sites natural beauty while allowing people to appreciate its wonders responsibly.