How can an adventure family spend a day in Phong Nha?Phong Nha, known as the cave kingdom, is perfect for families seeking adventure. With only one day, your family can immerse in the beauty of nature, tropical jungle and the caves by vibrant activities such as trekking on various kinds of terrains, crossing rivers, exploring a caves and swim in a stream. These activities will bond your family together, and your kids will learn more new skills from reality. Explore now! | Tu Lan Caves System