Slowly Stamp
Underground River
The Underground River in the Philippines, known as the Puerto Princesa Subterranean River, is a spectacular natural wonder. It features a long navigable river that flows directly into the sea and passes through a stunning limestone cave with impressive formations. This site is recognized as a UNESCO World Heritage Site due to its unique geological features and biodiversity. Visitors can explore the river on a guided boat tour, offering a glimpse into the rich ecosystem and breathtaking cave structures.
- StatusArchived
Where is it?
Puerto Princesa, Palawan, Philippines
How to obtain?
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The stamp description may contain AI-generated text and inaccuracies. It is provided for reference only, primarily sourced from Wikipedia, UNESCO, and other reliable references. Maps and address data powered by Google Places API.
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