Phong Nha cave is a cave in Phong Nha-Kẻ Bàng National Park, a UNESCO World Heritage Site in Quảng Bình Province, Vietnam . It is not only known as a natural legacy of the world or a wonder of the country Vietnam, but also as a shelter, a storage, and a hospital during the American War. With a length of 7729m, Phong Nha Cave is one of the world’s longest wet cave. Besides, it also holds several records for the highest and longest cave, the longest underground river, finest beaches inside and the most splendid stalagmites and stalactites. Now, it’s a famous destination for tourists coming from all over the world. Join Phong Nha cave tour departing from Hue city – the easiest way to discover the most impressive Phong Nha cave.