Paradise Cave (Hang Thien Duong in Vietnamese ) was discovered by scientists of the British Caving Research Association in 2005, has the length of 31km in total, this is the longest dry cave found in Asia. With naturally primitive features, Paradise Cave looks like a landscape painting, making it very attractive to visitors. According to spelunkers, the deeper one journeys into the cave, the more one feels the wells of heavenly clarity all around. There are a series of white crystal stalactites resembling glass pillars and many other spectacular formations.
Phong Nha cave is not only a natural legacy of the world or a wonder of the country Vietnam, but also a relic system of the historic street Ho Chi Minh which collaborates with Xuan Son Ferry in order to create a route supporting for the battleground of the South Vietnam during US War. Today, this place has become the first section of Ho Chi Minh trails. Therefore, coming to Phong Nha means you are visiting this legendary trails.