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4 Geological Formations to explore in Vietnam


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Hang En (Swallow Cave)
Hang En (Swallow Cave)ĐT562, Thượng Trạch, Bố Trạch, Quảng Bình, Vietnam

Hang En is the third largest cave in the world, after Hang Sơn Đoòng in the same national park, and Deer Cave in Malaysia. The only ways to reach the cave are by helicopter, or an approximately four-hour jungle trek from the nearest road.

Hang Sơn Đoòng
Hang Sơn ĐoòngXuân Trạch, Bố Trạch District, Quang Binh Province, Vietnam

It is the largest known cave passage in the world by volume. The scale of this site’s interior is so massive it could fit an entire New York block inside, including skyscrapers, or have a Boeing 747 comfortably fly through without its wings being in any danger.

Paradise Cave
Paradise CaveKm 16 Đường Hồ Chí Minh, Nhánh Tây, Bố Trạch, Quảng Bình, Vietnam

Thiên Đường Cave is 31 km long, longer than Phong Nha Cave which had been considered the longest cave in Phong Nha-Kẻ Bàng National Park. The height can reach 72 m and 150 m wide.

Tú Làn Caves
Tú Làn CavesCao Quảng, Tuyên Hóa District, Quang Binh Province, Vietnam

Tu Lan Caves System is comprised of over 10 caves in all. Tu Lan Caves System has the largest, deepest, longest, with many connecting caves including inactive dry caves & active wet caves. Its dry entrance provides an outstanding view of the valley below and promises many more adventures inside.

Map of Geological Formations to explore in Vietnam