Van Long Nature Reserve is a popular destination in Northern Vietnam, especially for those who love ecotourism type. So famous for its diversity in the ecosystem with many rare animals is Van Long Nature Reserve that it has not only attracted millions of foreign and domestic tourists but also attracted the attention of many researchers and nature reservation organizations in the world. Visitors may come to this wetland at any time of the year, but the most appropriate times are: May – June & November – April. You are highly recommended to arrive here in the late afternoon (15:30 – 16:30) to see flocks of birds, especially storks flying back to their nests. When taking a boat trip on this “wave-free bay”, visitors can contemplate the calm and quiet water surface like a gargantuan mirror. The water is so clear that we can see layers of mosses and algae on the bottom.