Phong Nha Cave is the most well-known cave inside the Phong Nha-Ke Bang National Park and world’s largest wet cave! The subterranean river system can be followed all the way to what is supposedly the end of the cave 8 km from the entrance. This amazing tour will take participants 4.5 km deep inside the cave!
Best Unique Activities: Kayaking, Exploring the cave, Hiking inside the cave, Swimming, Taking a sand bath.