Overview: Designated a Unesco World Heritage Site in 2003, the remarkable Phong Nha - Ke Bang National Park contains the oldest karst mountains in Asia, formed approximately 400 million years ago. Riddled with hundreds of cave systems – many of extraordinary scale and length – and spectacular underground rivers, Phong Nha Cave is a speleologists’ heaven on earth.
In the morning: 
6h30: Our guide and bus will come and wwelcome at your hotel. On the way, stop to visit La Vang church and our guide will presenting Quang Tri Citadel (Non stop) which was built in 1824 (The fierce battle of 81 days and nights has made this citadel well-known all over the world) Then to continue the itinerary our guide introduces about many places such as: Ben Hai river, Hien Luong bridge, Doc Mieu base…
12h00: Arrive in Phong Nha Town. Lunch at restaurant.
In the afternoon:
After lunch, cruise along the Son river to Phong Nha Cave. You will feel the magical and magnificent caves. Phong Nha also boasts underground rivers, large caverns and passageways and broad, pristine sandbanks. The most impressive cave - Phong Nha Cave is probably also the most beautiful with many fascinating rock formations with imaginative names such as The Lion, Fairy Caves,... inside the Phong Nha Cave, the more illusory the stalactites and stalagmites look as they glitter when  right light is shone on them.
3.30 Pm: Back to Hue on Ho Chi Minh trails. On the way back, you have Snack on the bus.
7.30Pm: We arrive in Hue and drop you off at your hotel.
1.New air-con vehicles.
2.Lunch, snack on the bus.
3.Boat trip.
4.Entrance fees.
5.English speaking guide.
6.Water on bus (02 bottles/day/pax).
7.Tourism insurance.