Tham Phi Hua To, also known locally as the “Skull Cave,” is regarded as one of the most significant archaeological sites along Thailand’s Andaman coast. Located within Than Bok Khorani National Park, the cave is believed to have functioned as both a prehistoric settlement and burial site dating back approximately 2,000–3,000 years. This विशाल limestone cavern features expansive chambers and high vaulted ceilings that allow natural light to filter through from multiple openings, creating a well-ventilated and surprisingly bright interior. The cave’s name originates from local legend describing the discovery of unusually large human skulls—stories that continue to be passed down through generations.

The cave’s historical significance is highlighted by its collection of more than 200 prehistoric rock paintings found across its walls and ceilings. Created using natural red and black pigments, these artworks provide valuable insight into ancient life. The most iconic figure, known as the “Big-Headed Ghost,” depicts a humanoid form with horn-like features and patterned markings across its body. Archaeologists suggest that this figure may represent a shaman or spiritual leader engaged in ritual practices. Additional paintings portray animals such as birds, fish, and turtles, as well as handprints and footprints—offering a vivid glimpse into the beliefs, environment, and daily life of prehistoric communities.

Beyond its archaeological importance, the surrounding environment of Tham Phi Hua To is equally remarkable. Nestled within the lush Bo Tho mangrove forest—where freshwater meets the sea—the cave can only be accessed by kayaking through a network of winding canals. Towering mangrove trees with intricate root systems line the waterways, forming a serene and immersive natural corridor. As visitors glide through the calm waters, they are accompanied by the subtle sounds of wildlife, enhancing the sense of tranquility and exploration. This harmonious blend of history and nature makes Tham Phi Hua To not just a destination, but a living testament to the region’s cultural and ecological heritage.

• From Krabi Town, take Highway 4 towards Ao Luek District. At the Ao Luek intersection, turn left towards Bo Tho Pier. From there, you must rent a kayak or a long-tail boat to reach the cave entrance.

• Visit early in the morning to avoid the midday heat and tourist crowds.

• Check the tide charts before going to ensure easy kayak access to the cave.

• Wear breathable and quick-drying clothes suitable for kayaking activities.

• Bring mosquito repellent as the mangrove forest areas have many insects.

• Use a waterproof dry bag for your phone and camera to prevent water damage.

Admission Fees:

• Thai Nationals: Adult 60 THB, Child 30 THB.

• Foreigners: Adult 300 THB, Child 100 THB (Includes entry to Than Bok Khorani National Park).

Opening Hours:

• 08:00 AM – 05:30 PM (Open daily)