After breakfast at hotel, we set off for Ha Long Bay of Vietnam, a UNESCO World Heritage Site for embarkation the private boat to discover spectacular Halong Bay, listed as a World Heritage of outstanding natural beauty. With its clear, emerald waters and mountains draped in velvety cloaks of vegetation, “The bay of the descending dragon” is dotted with more than 3,000 mountain islands rising from the clear emerald waters of the Gulf Tonkin, many of them containing beautiful grottoes. A 4-hours boat cruise will lead you to visit Thien Cung cave and Dau Go grotto, stone Dog, Fighting Cocks.... Fresh seafood lunch will be served on board. After the boat cruise, we return to Hanoi for refreshment. Dinner tonight is on your own.