Limestone cave river entrance in a jungle setting

UNESCO · 1999

Puerto Princesa Underground River

Spectacular limestone cave river system within a protected rainforest watershed.

NaturalMIMAROPAPalawan

A navigable underground river winds through a dramatic karst landscape of limestone cliffs, cathedral-like chambers, and rainforest. The park is both a UNESCO World Heritage Site and a flagship of Philippine nature tourism.

Highlights

  • Navigable underground river
  • Karst landscape and rainforest watershed

Visitor tips

  • Book permits early; daily visitor numbers are capped.