Puerto PrincesaPodzemnata river is most picturesque part of theeponymous national park in the Philippines. It runs under the St Paulmountain range, located on the northern coast of Palawan island, before flowing into the West Philippine Sea. Puerto Princess is the longestunderground river in Asia and second longest in the world.
Color river actually has two names. The upper section named Kabajugan,springs from Mount Bloomfield and flowing down its slopes, where its waters are used mainly for irrigation of rice fields. Then in the lower reaches, the river disappears somewhere under the mountain of St. Paul and reappears in Cave National Park Puerto Princess as an underground river, after whichit gets its name.