Tourist route discovery of Sinh Ton (Survival) Valley and Hang Thuy Cung (Aquarium palace cave) has a total length of 9 km (4.5 km for exit and 4.5 km for entry). Travelers will be taken to the start point at the Km15 or Km18 on West branch of the Ho Chi Minh road, the Survival valley of 2,000 ha width, surrounded by huge limestone mountains and the vast primeval forests, caves in the middle of the Aquarium with watercolor blue, cool, create a beautiful scenery to fascinating people. The Survival valley is more attractive because there is plenty of oil otter populations endemic trees, patches of paintings untouched, many plant species richness. It is an opportunity for visitors to gain a better understanding of the value of forest biodiversity World Natural Heritage National Park Phong Nha - Ke Bang.
After experiencing at the Survival valley by flashlight, visitors will continue to explore the 600m depths of Hang Nuoc Lan (Water Diving cave) – the backdoor of Hang Toi (the Dark Cave) and Hang Thuy Cung (Aquarium palace cave) with exotic color of blue water. Here, travelers will explore the mysterious Aquarium palace cave which is located in the heart of the limestone between the jungles.
This new route will be a mysterious and ideal destination of world natural heritage site - Phong Nha - Ke Bang national park for people who like discovering the nature.