07:45 You will be picked up at hotels then exploring Dark cave (located in Phong Nha - Ke Bang National Park, 20km about Phong Nha cave, 65 km about Dong Hoi and 1h10 minutes driving) at the rest of the day. Dark cave was the true experience, kayaking over the river to get there, walking through the dark with only the head touch on your mining helmet, having a mud fight in the mud baths deep in the cave and then washing clean with a swim in the lake inside the cave. Activities: Mud bath, ziplining, swimming, kayaking, please bring: swimwear 12:30 Lunch at local restaurant in Phong Nha village . 13:30 Visit the most impressive Phong Nha caves (50 km about the city, 45 minutes driving). After 25 minutes on boat, visitors will arrive Phong Nha cave, take a couple hours to see the cave. This cave is called as river cave, is famous for its rock formation. 17:30 Get back to hotel. Tour ends