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Tham Phra That Cave

(Erawan National Park)
Tha Kradan Sub-district, Si Sawat District, Kanchanaburi

The Mystic Cavern of Translucent Stones and Sacred Legends Perched high on a mountain at about 790 meters above sea level, Tham Phra That is a spectacular, lesser-known natural wonder hidden inside the famous Erawan National Park. Originally discovered by a local named Mr. Mak Boonthong and once known as “Tham Dusit Mahima,” this cave is highly celebrated for its unusually beautiful stalactites and stalagmites—many of which feature rare, translucent properties that shimmer beautifully when light passes through them.

The local name “Phra That” stems from a deeply rooted village belief. Locals believe that a sacred, snow-white stone structure resembling a holy conch shell resides deep within the cavern, acting as a natural relic.

Inside the 7 Mystical Chambers

The illuminated cave stretches over 200 meters long, and a complete walking tour takes about 30 to 60 minutes. The interior is naturally divided into 7 unique thematic chambers, each named after its striking geological shapes:

1. The Meditating Toad (กบจำศีล)
2. The Planetarium (ท้องฟ้าจำลอง)
3. The Bell Stone (หินระฆัง)
4. The Sacred Relic Stone (หินพระธาตุ)
5. The Main Pillar (เสาเอก)
6. The Coral Rock (หินปะการัง)
7. The Likay Curtain (ม่านลิเก — resembling the flowing drapes of traditional Thai theater)

Visitor Tips & Safety Guidelines

• Guide Required: To protect the delicate cave ecosystem and ensure visitor safety, you must contact the park rangers at the visitor station at the base of the hill. A ranger will gladly guide you up the steep mountain steps and through the cave.
• Timing: It is highly recommended to arrive at the site no later than 03:00 PM to allow ample time for the hike and cave tour before the park closes.

Proximity & Getting There

• Located just 12 kilometers past the main entrance of Erawan Waterfall.
• Located approximately 77 kilometers from Kanchanaburi Town Center.