Hoang Lien National Park, what is located in Sa Pa District, Lao Cai Province, has been planned to develop priority in ecological tourism because the park is composed by many ecological systems with the most diversiform biology in Vietnam. Here exists many endemic species, beautiful landscapes, as well as typical cultures of local inhabitants. According to statistical data, the number of tourism arrivals to the area grew up rapidly. Since 2000 to 2006, the figure was increased by . There was a continual increase in its tourism revenue as well as diversity in its effective tours. However, many principles.
