A visit to the famous underground river in Puerto princesa is an absolute must if you are indeed visiting the island of Palawan. Palawan located a little over an hour flight from mainland Phillipines. Puerto princesa some 2-3 hours from Palawan bustling capital. On arrival at the Port you are transported in gondola like sea going vessels expertly managed by the well trained boatmen for a short ride to the location where u start your trek through dense forest to board your next boat for the underground river ride, be careful of monkeys snatching your personal effects visitors are warned. For your river ride you are provided with headgears and a light,headgears for protection against falling bat excreta and a light to assist in illuminating the underground location. The visit can take up to an hour as their is so much to hear and see, stalactites and stalagmites are in abundance , equally are the number of bats and other flying species, none pre historic. A UNESCO world heritage site. Do visit