Day 1 : Hue - Ke Bang National Park - Phong Nha Caves - Dong Hoi (L, D)
8:00 AM Pick up at your hotel in Hue; depart for Quang Binh. Stop off to visit the Vinh Moc underground tunnel, one of the most famous sites of the Vietnam War, the Ben Hai River and Hien Luong Bridge. This whole area was known as the Demilitarized Zone (DMZ) during the war. Lunch at Dong Hoi town, then continue to Phong Nha – Ke Bang. Board a boat and cruise along the river to Phong Nha Cave. The deeper one penetrates, the more magical are the natural aspects of the cave. After 700m, a large dry passage appears, allowing you to discover the cave on foot for a further 500m. You will also have a chance to explore the remains of Cham Altars and the inscriptions inside. Overnight in Dong Hoi Town (Sun Spa Resort)

Day 2 : Dong Hoi - DMZ - Hue (B/ L)
Breakfast at the resort. 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 the trip at your hotel in Hue at around 6pm.