Board a motorized bangka, cross the mangrove fringe and enter a dim, river-carved world where stalactites and bats define the ceiling. This full-day tour from Puerto Princesa combines a 45–60 minute cave paddle with rainforest insights, local culture and practical tips for visiting a UNESCO-listed karst system.
More ways to explore the area's outdoor wonders
Morning in Sabang begins with the hush of the mangroves and the diesel hum of a motorized bangka cutting toward a black mouth carved into limestone. You step from beach sand into a narrow longboat and watch the coast peel away; the jungle seems to lean forward, as if curious, and the sea pushes the bow toward an opening where daylight folds into shadow.
Difficulty
moderate
Duration
8–9 hours (full-day, including transfers)
Fitness Level
Requires moderate fitness: able to board small boats, walk short uneven trails and sit quietly for an hour inside the cave
Wildlife
History
The park protects karst landscapes that have been used by local communities for centuries; the site gained UNESCO status for its unique geology and biodiversity.
Conservation
Visitor numbers are managed to protect cave roosts and fragile formations; follow guide rules, avoid touching formations and dispose of waste properly.
Reserve your spot on the Underground River Tour from Puerto Princesa today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Confirm Pickup 24 Hours Ahead
Operators require confirmation at least 24 hours before departure; verify exact pickup time to avoid missing the tight schedule.
Use a Waterproof Bag
The cave and boat transfer are wet — keep electronics and documents in a waterproof dry bag or zip pouch.
Wear Grippy, Closed-Toe Shoes
Paths and cave entrances are slippery; shoes with good tread improve safety during boarding and short walks.
Respect Wildlife and Silence
Keep noise to a minimum inside the cave to avoid disturbing bats and swiftlets, and follow guide instructions regarding photography.
Waterproof dry bag
Protects camera, phone and documents during boat transfers and inside the cave.
Sturdy closed-toe shoes
Provides traction on wet docks, boats and forest trails.
Lightweight rain jacket
Tropical downpours are common; a packable jacket keeps you comfortable between transfers.
summer
Compact camera with low-light capability
Helps capture cave interiors where lighting is limited and flash is discouraged.