Phong Nha Cave is a cave in Quang Binh Province, Vietnam. It is located in the Phong Nha-Kẻ Bàng National Park.
The cave is 7,729 meters long , Phong Nha Cave consists of a large interconnected cave network of 18 smaller caves. The highest cave is the Thung Cave at 133 meters. The Phong Nha cave itself is 83 meters high.
Phong Nha has been voted one of the most wonderful caves in the world , It is a UNESCO World Heritage Site. It is located about 500 km south of Hanoi in the Bố Tràch districts of Quảng Bình province on the central coast of Vietnam. The area is known for its many caves and unique ecology, Currently, to enter the cave, visitors must take a boat from Phong Nha tourist center along the Son River.
The cave is the most famous cave in the entire national park.
Access : Coordinates: 17° 34′ 52.77″ N, 106° 16′ 59.25″ E /