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The largest known cave passage in the world by volume, inside Phong Nha–Kẻ Bàng National Park. It was found by a local man, Hồ Khanh, in 1991 and surveyed by British cavers in 2009. There is no day visit: access is by a multi-day expedition with the single licensed operator, booked far ahead.
Bố Trạch, Quảng Bình, Vietnam
Tourist attractionParadise Cave
A dry cave in Phong Nha–Kẻ Bàng National Park, surveyed by the British Cave Research Association and opened to visitors in 2010. A wooden walkway covers the first kilometre or so of the passage; reaching the entrance means climbing several hundred steps up the hillside.
Km 16 Đường Hồ Chí Minh, Nhánh Tây, Phong Nha, Quảng Trị, Vietnam
National parkPhong Nha - Ke Bang National Park
Sprawling national park in lush surrounds featuring a network of wet caves, rivers & waterfalls.
Quang Binh Province, Vietnam
Tourist attractionPhong Nha Cave
The river cave that gives Phong Nha–Kẻ Bàng National Park its name, entered by boat from the Son river. The park was inscribed by UNESCO in 2003 for its karst geology.
Vườn quốc gia, Phong Nha, Quảng Trị, Vietnam
来自公开信息的基本事实。非评价来源，不含价格与空位。