The Langun-Gobingob Cave System, also known as the Calbiga Cave, is a vast underground wonder located in Samar province, Philippines. It holds the title of the largest cave system in the Philippines, encompassing an area of approximately 2,968 hectares, and is believed to be the second-largest in Southeast Asia.

Langun-Gobingob is a labyrinthine cave system composed of 12 caves, including Langun Cave, Gobingob Cave, Lurodpon Cave, and Bitong Mahangin Cave. The Gobingob Cave is the oldest and largest section, featuring a main chamber that stretches 340 by 140 meters at its widest points. It even has an upper level that takes adventurers 2-4 hours to explore. The Langun Cave, on the other hand, is known for its deep pools and a muddy floor that can get quite challenging to navigate.

The cave system boasts stunning speleothems or cave formations, including stalactites and stalagmites that resemble chandeliers and towering pillars. Langun-Gobingob is also home to a unique blind fish species endemic to Samar’s caves.

The first systematic exploration of the cave system only happened in 1987 by Italian speleologists. Since then, spelunkers and explorers have continued to delve deeper into its passages, unearthing its secrets and adding to its reputation as a natural marvel.

Langun-Gobingob Cave is a spelunker’s paradise, offering adventure and exploration for those up for the challenge. The cave system is not for the faint of heart. It requires a significant level of fitness and some technical skills like rappelling and navigating tight spaces. Tours are available with experienced cave guides who will ensure your safety and show you the most amazing parts of the cave.

There are exciting activities to enjoy inside the cave. You can descend into the depths through rappelling sections, explore the massive chambers and passageways while marveling at the beautiful cave formations, and even go wildlife watching to spot unique creatures like the blind fish.

To ensure a safe and responsible exploration of the cave, always venture with a certified guide who can navigate the cave’s delicate ecosystem. Dress appropriately in sturdy shoes or boots for the wet and muddy terrain. Embrace the adventure and be prepared to get dirty! Bring a headlamp or flashlight to illuminate the dark cave passages, and remember to leave no trace by packing out all your trash and avoiding any disturbance to the natural formations or wildlife. By following these simple guidelines, you can help keep Langun-Gobingob Cave pristine for future generations to explore.

Langun-Gobingob Cave Location

Langun-Gobingob Cave is located in the heart of Calbiga, a small town within the Samar Island Natural Park in Samar province, Philippines. Calbiga is known for this natural wonder, but also boasts other beautiful spots like Lulugayan Waterfall.

Langun-Gobingob Cave Location Map


Cover photo by Merv P

Additional Information

Read more about the caves in the Philippines and Samar Island. Check out the links below to discover more!

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