Some 20 km long cave with a very long underground river (13,969 m) with sandy beaches. Cave contains valuable archaeological artifacts of Champa culture including beautiful ceramic vases.
|Location, GPS coordinates:||17.5812 N 106.2830 E|
|Rating:||(3.5 / 5)|
|Where is located?||Asia, Vietnam, North Central Coast, Quảng Bình Province, in Phong Nha-Kẻ Bàng National Park|
|Alternate names:||Hang Khe Rhy|