=> Phong Nha Ke Bang National Park is located in Bo Trach district, Quang Binh province. It was recognized by UNESCO as a World Natural Heritage in accordance with geological and geomorphological criteria in 2003, and recognized by UNESCO for the 2nd time as a World Natural Heritage with the criteria of biodiversity and ecology on 3 July 2015. It is a rich destination in Quang Binh tour programs. Phong Nha Ke Bang is a cool and fresh climate all year round. It is considered one of the two largest limestone mountains in the world, with an area of over 200,000 hectares. The national park features a million-year-old limestone formations with more than 300 caves and a system of underground rivers. Hundreds of rare species of flora and fauna in existence, including many listed in the Red Book of Vietnam and the world, are the inspiration for tourists and scientists to explore here.
