-Day 1: Hue - Ke Bang National Park - Phong Nha Caves - Dong Hoi (L, )
After about 2 and half hours from Hue, on the way stop to visit Vinh Moc underground tunnel, one of the most famous battle-field in Vietnam War, Ben Hai River, Hien Luong Bridge, lying in the Demilitarized Zone of the Vietnam war. Lunch at Dong Hoi Town, then continue to Phong Nha – Ke Bang. Getting on boat and cruise along the river to Phong Nha Cave. The deeper one penetrates, the more magical are the natural aspects of the caves. After on boat for 700m, a large dry passage is appear, then you can walk to discover the cave for 500m more. You will have a chance to explore the remain of Cham Altars and Inscriptions inside. overnight in Dong Hoi Town
-Day 2: Dong Hoi - DMZ - Hue (B, L)
Drive back to Hue with a stopover at historic Khe Sanh Combat, Ho Chi Minh Trail, Dong Ha Town, Rock Pile. Return to Hue in the afternoon via Quang Tri Citadel. End tour.