3/3 Home/Keyword underground river / Subterranean River National Park ‹ The Puerto Princesa Subterranean River National Park, home to the famous Underground River, is one of Palawan's most remarkable natural wonders and a UNESCO World Heritage Site since 1999. Situated about 80 kilometers northwest of Puerto Princesa city, this park features a spectacular limestone karst landscape with an 8.2-kilometer navigable underground river, one of the world's longest Informations EXIF Keywords lime stone , national park , subterranean river , underground river Albums virtual tours of Palawan/puerto princesa and around EXIF Metadata palawan.ph is coming soon