Day 3,Phong Nha Cave – Dong Hoi (B/L)
After breakfast, you have free time in homestay for relaxing, going around for the photos. After checking-out you transfer to Phong Nha Village for lunch. Later, taking a boat to Phong Nha Cave, you pay visit to Phong Nha Grotto system, which has the total length of more than 40 kilometers, proceeding from the south of Ke Bang limestone mountain area. The main entrance is at Khe Ry Cave and Swallow Cave with the altitude of 300 meters. The caves in this system are disposed like branch-shaped, going to the direction of eastern north – western south. In the system, Phong Nha Grotto (also known as Teeth-Wind, Water Grotto, Lower Phong Nha) with its full length of 7,700 meters is the grotto having most records with “seven best”: the longest water grotto; the highest and most beautiful entrance; the most beautiful underground lake; the most magnificent and miraculous stalactite; the longest underground river of Vietnam; and the hugest and most beautiful dried grotto in the world. Back to hotel in Dong Hoi for the night.