About Tham Phet Pho Thong
Tham Phet Pho Thong is a natural limestone cave located in Khlong Hat District, Sa Kaeo Province, near the Cambodia border in eastern Thailand. The cave is known for its glittering calcite crystals that sparkle like diamonds on walls and ceilings when illuminated, along with stalactites, stalagmites and spacious chambers. Managed locally, it offers a short caving experience with installed lighting and stairs, attracting visitors interested in geology and nature.
Visitors guide
Visitors can expect a walk-through limestone cave with several chambers connected by stairs and walkways. Interiors feature stalactites, stalagmites, columns and walls coated with sparkling calcite crystals that glitter under artificial lighting. The cave is relatively compact with uneven floors, low ceilings in places and installed lights. Surroundings are rural with limestone hills and forest. Exploration is on foot with short climbs and photo stops inside the chambers.
Key highlights
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Glittering calcite crystals sparkling like diamonds on cave walls and ceilings
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Stalactite and stalagmite formations in multiple chambers
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Large main chamber with illuminated rock formations
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Limestone hill and forest setting near the Thai-Cambodia border
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Short stair-assisted cave walk suitable for casual visitors
History of Tham Phet Pho Thong
Tham Phet Pho Thong is a natural limestone cave formed over millions of years through karst processes. It was developed for local tourism by the Khlong Hat community to showcase its distinctive sparkling calcite deposits and geological features.
Culture & Context
The cave is regarded locally as a natural heritage site and includes a small shrine where visitors pay respect. It serves as a community-managed attraction reflecting local appreciation for natural geology.
Route
| By air | Fly to Suvarnabhumi Airport (BKK) in Bangkok, then travel overland by bus, train or car to Sa Kaeo and Khlong Hat |
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