Experts confirm world’s longest river cave in the Phong Nha – Ke Bang National Park

Howard Limbert, a cave expert from the British Royal Cave Research Association, on May 26 claimed that the Khe Ry Cave is the longest river cave in the world on a study project lasting several years.

A view of Khe Ry Cave from the inside Khe Ry Cave was surveyed for the first time in 1997, when a group of explorers led by Limbert discovered it of 13.8 km long.  They continued to explore and study and map this cave in the following years. In 2013, they found that the length of the cave was a phenomenal 20 kilometers in length.

Hang-song

Inside the Khe Ry river cave

Boats could easily maneuver through some sections of the 120m high cave. A natural spring at an altitude of 1,300 m a rivulet flowing inside the Khe Ry Cave, which flows to  the swallow cave before diving down into Son Doong Cave and feeding into the Phong Nha cave system.

Mr. Howard Limbert said that the discovery of the world’s longest cave proves that there are several mysteries which have as yet not been discovered about the natural limestone formation in.

Source: Quang Binh Newspaper

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