See where a vast underground river empties into the West Philippine Sea during a private outdoor adventure. Travel by canoe and experience the Puerto Princesa Subterranean River from the water, venturing into an untouched landscape dominated by dramatic limestone karsts and watery subterrestrial caves.

Your day begins with convenient hotel pickup, followed by a scenic drive to Sabang—a small town and home to the Puerto Princesa Subterranean River National Park. Near the waterfront in Sabang, venture aboard a motorized outrigger and head for the national park and UNESCO World Heritage Site.

At the location where the Puerto Princesa Subterranean River empties into the West Philippine Sea, it's time to take things up a notch. Here, get outfitted with a durable canoe and paddle for an up-close look at the river that flows for 5 miles (8 km) through a sprawling network of otherworldly caves.

Feel as though you're journeying to the center of the earth while you nose through the blue-black shallows dotted with stalagmites. Your guide is a seasoned expert who knows the waters like the back of their hand, resulting in an exhilarating yet safe tour. Prior to returning to the city, eat lunch at a beach resort in Sabang.