The poetic Son River with its blue water winding around Ke Bang limestone mountains beautifies the uniqueness whenever tourists come to Quang Binh to visit Phong Nha Cave.

It seems that when talking about A Luoi (a mountainous district 70km from Hue city), many people are familiar with waterfalls, ecotourism, and community tourism. However, if you have the opportunity to learn about that mountainous land, exploring the caves and tunnels you will also get a full range of emotions.