Phong Nha Caves


The Phong Nha caves are situated within the Phong Nha-Ke Bang National Park in the village of Son Trach of the central province of Quang Binh.  This is a sanctuary consisting of 14 caves (a dry and above the ground cave as well as many underground caves reachable only by boat) formed over the years by underground rivers running through limestone mountains. 


Phong Nha literally means “Cave of Teeth” and derives its name as once upon a time there were these stalagmites looking like huge teeth running down the entrance of the cave.  


The largest cave in Vietnam, Phong Nha caves stretches 7,729 metres in length and is interspersed by a complex system of criss-crossing underground rivers.  It is said that if you could traverse the entire stretch of the underground waterway all the way to its other end, you would end up entering Laos!   

The remarkable Phong Nha caves boasts a number of firsts in Vietnam:  

1. The longest underground river stretching 14 km in length

2. The most magnificent and stunning stalagmite and stalactite formation

3. The longest water cave, with the highest and broadest entrance

4. The most beautiful underground lake, and

5. The largest cave habitat for swallows


Besides the intriguing Phong Nha caves, the Phong Nha-Ke Bang National Park is home to many rare and valuable species of animals and plants, including the oldest tree in SE Asia, a 400 year-old cypress. 


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