Puerto Princesa Subterranean River National Park...
The Puerto Princesa Subterranean River National Park is a protected area of the Philippines located about 80 kilometres (50 mi) north of the city centre of Puerto Princesa, Palawan, and which contains the Puerto Princesa Underground River.
The park is located in the Saint Paul Mountain Range on the western coast of the island, and has been managed by the City Government of Puerto Princesa since 1992.
It was listed as a UNESCO World Heritage Site in 1999, and voted as a New7Wonders of Nature in 2012. It also became a Ramsar Wetland Site in 2012.