7-Day Trekking Northest Vietnam: Ba Be Lake - Ban Gioc Waterfall - Ha Giang

7-Day Trekking Northest Vietnam: Ba Be lake – Ba Be national park: vast variety of flora and fauna, interesting geology and landscapes (waterfall, lake, caves, valley…) to discover Ban Gioc waterfall: It is the largest waterfall in Vietnam and the fourth in the world. Located at the border of China. Ha Giang Karst plateau: the first UNESCO Global Geopark in Vietnam, amazing and immense scenery. Explore the colorful and interesting culture of different ethnic minorities in the frontier areas