Xuân Sơn, Vietnam
Hang Sơn Đoòng
Sơn Đoòng Cave, in Phong Nha–Kẻ Bàng National Park, Quảng Trị province, Vietnam, is the world's largest natural cave. Located near the Laos–Vietnam border, Hang Sơn Đoòng has an internal, fast-flowing subterranean river and the largest cross-section of any cave, worldwide, believed to be twice that of the next-largest passage. It is the largest known cave passage in the world by volume.
- City
- Xuân Sơn
- Country
- Vietnam
- Category
- Nature
- Suggested visit
- About 150 minutes
More places in Xuân Sơn
Background: Wikipedia