Sơn Đoòng Cave
This expedition, conducted between April 10 and 14, 2009, performed a survey of the cave and gave its volume as . They estimated that the overall length of the cave system exceeded .
Details
- Depth
- max. 150 m
- Length
- approx. 9 km
- Survey
- 2009, British/Vietnamese
- Geology
- Permo-Carboniferous limestone
- Hazards
- Underground river|website=https://sondoongcave.info}}
- Location
- Quảng Trị province, Vietnam
- Discovery
- 1990 by Hồ Khanh
- Other Name
- Hang Sơn Đoòng
- Entrance Count
- 2