Thien Duong Cave (Paradise Cave)

Thien Duong cave is called as the “underground palace” or Paradise for breathtaking beauty of stalagmites & stalactites – a magical wonder of the world. The cave is 31km long and limitedly opened 900 meters with longest wooden ways to the public in 2011 to admire its magical beauty.The grotto nestles deep in the World Natural Heritage – the National Park Phong Nha – Ke Bang, dating back from 350 to 400 million years ago