

Enjoy a day of exploring majestic caves at Elephant cave, then go through Ma Da valley, swimming in the clear blue water of Ma Da lake. The tour ends with a 600m swim to explore Tra Ang cave.



Navigating the emerald waters and thousands of towering limestone karsts of northern Vietnam is a highly spectacular visual experience, but no comprehensive itinerary to the region is genuinely complete without executing a deep exploration of Sung Sot Cave. Universally recognized by both domestic authorities and international geologists as the absolute largest and most visually magnificent subterranean chamber located anywhere within the UNESCO-protected boundaries of Halong Bay, this incredible geographical formation provides a mesmerizing glimpse into millions of years of extremely slow marine erosion.
Located highly securely within the dense tropical foliage of Bo Hon Island, the massive internal chambers feature a truly astonishing collection of highly intricate stalactites and towering stalagmites that have continuously captivated maritime explorers and casual tourists for over a century.
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