Entrance to the underground river in Palawan, Philippines

Posted: November 10, 2008    Categories: Daily Photo, Philippines

Underground River Cave Entrance

Underground River Cave Entrance

The entrance to the underground river in Puerto Princess, Palawan, Philippines. This is the longest navigable underground river in the world. You can take it about 6km into the mountain by boat.

6 Responses to "Entrance to the underground river in Palawan, Philippines"

Leave a Reply

Your email address will not be published. Required fields are marked *

*