Vic booked our Underground River Cruise on the first day. Upon arriving, the van we hired picked us up at the airport. Before dropping us off at our hotel to check-in, we secured our permit to go to the underground river. The city government limits visitors to 600 per day. From the city, it took us about an hour and a half to reach the dock. From there, we had lunch, buffet style for P200 each. In a place where you can get a decent meal for P80, that is quite expensive already. Since the Underground River is a popular tourist destination, be sure to eat before a big group arrives. To reach the cave, you'd have to go on a 15-minute boat ride. Upon reaching the other side, the guide will bring you to the dock near the cave entrance. We were given life vests and hard hats. The water could go as deep as 8 meters on regular days. The hats were there just in case we bump our heads into rock formations. Besides, not everything that drips from the ceiling is mountain water... ...