This adventure package of "Hidden Hilltribes of Vietnam" (16 days) from the northwest to the northeast takes you to every conner of the mountains in North Vietnam. The adventure tour introduces you variety of terrains, amazing landscapes, spectacular rock plateau, beautiful rice paddy fields, stunning valley and authentic cultures of colorful minority tribes. Many places are still unspoiled and less-visited. Spend the last days of your trip on a leisure cuise on the UNESCO World Heritage site: Halong Bay.