Phong Nha Cave
It costs 150,000 dong for the entrance fee to see Phong Nha cave and 80,000 dong for Tien Son, and 550,000 (2024) (360,000 in 2016) dong to rent a boat for up to 12 people to visit Phong Nha cave (2024). You can share a boat with other tourists that show up. Renting a boat is a requirement as…