7:30 AM: Pick up at your hotel, travel to Quang Binh province, the narrowest part of Vietnam and famous for the Phong Nha - Ke Bang National Park which is listed on the World Heritage in 2003. Covering 85,754 ha of outstanding geological and ecological value, the site will let you immerse into sumptuous landscape of karst plateaus and rainforests by surveying its spectacular underground caves and rivers and discovering its abundance of endemic species.

On the way, stop to visit the well-known 17th Parallel. According to the agreement of Geneva, this historical site was the border of the Communist in the North and the Non Communist in the South of Vietnam. Visit the museum, flag tower, the Ben Hai River and the Hien Luong Bridge to learn more about the special history of this land.

Continue to the famous Vinh Moc Tunnel. Local people dug in 2 years (1965 - 1967) to create the system of 1.7 km long and 10 to 23 m deep tunnel which was used as bomb shelter during the Vietnam War. The site is evidence for the heroism of the Vietnamese people. 

Arrive in Phong Nha national park around 3 PM, have a boat trip to explore Phong Nha Cave. Discovered in 1994, this famous cave is well-known for its underground river and its system of fantastic stalactites and stalagmites. From the pier, you take the boat following the Son River to the gigantic gate of the grotto. Enjoy a leisure walk to admire the natural masterpieces by crossing some secret corners: Bi Ki Cave, Celestial Palace.

Wake up in the pure air of mountain, enjoy your breakfast. Today we have a special visit to the Paradise cave (Thien Duong cave). New surprises are waiting for you. Discovered in 2005, with 31.4 km long, 60 m high and 30 to 100 m wide, it is considered as the longest in Asia. After a short walk in the forest, you begin the discovery of this terrestrial paradise through the different rooms that amaze you with the grandiose stalactites and stalagmites both mystical and extraordinary.