Board a paddleboat beneath towering limestone cliffs and float through one of the world’s longest navigable underground rivers. This private tour pairs door-to-door transport with a guided cave passage — but limited permits and weather mean you should plan ahead.
More ways to explore the area's outdoor wonders
The motorized launch cuts a path through green water and the limestone cliffs raise their gray faces like old fortresses. You step off the dock in Sabang and the morning air smells of wet stone and salt; palms chatter as the van pulls away toward the national park. By the time the park ranger checks permits and the guide briefs the eight of you packed into a paddleboat, the light has softened and the cave entrance gapes like a mouth you are about to enter.
Difficulty
moderate
Duration
7–8 hours
Fitness Level
Moderate fitness recommended — involves short walks, boarding small boats, and some standing in changing conditions.
Wildlife
History
Declared a UNESCO World Heritage site, the underground river has been explored since the 20th century and is central to local Tagbanua cultural landscapes.
Conservation
Visitor limits, strict boat group sizes, and permit requirements are enforced to reduce impact on cave ecosystems and protect endemic species.
Reserve your spot on the Private Underground River Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Book permits early
Park slots are limited to 1,000 per day; secure permits at least 2–4 weeks before arrival to avoid disappointment.
Wear aqua shoes
The docks and trail sections are wet and slippery; aqua shoes or grippy sandals improve footing and comfort.
Pack a dry bag
Bring a small waterproof bag for phones, camera, and documents — the boat ride can be splashy and transfers may get rough.
Prepare for low light
Photography inside the cave is challenging; use a camera with good low-light performance or steady your phone on a strap.
Aqua shoes or water sandals
Secure, quick-dry footwear for slippery docks and shallow approaches.
summer
Light rain shell
A compact waterproof layer for sudden tropical showers and boat spray.
fall
Dry bag (small)
Protects phone, camera, and documents from splashes and rain.
Headlamp or camera with low-light capability
Useful for capturing cave formations in dim conditions without intrusive flash.