Hoang Lien Son is a mountain range located in northern Vietnam, stretching approximately 180 kilometers. It is known for its stunning landscapes, rich biodiversity, and unique ecosystems. The range is home to Fansipan, the highest peak in Vietnam, which stands at 3,147 meters above sea level. The region is also significant for its cultural diversity, as it is inhabited by various ethnic groups, including the Hmong and Dao people. Hoang Lien Son is a popular destination for trekking and eco-tourism, attracting visitors who seek to explore its natural beauty and experience local traditions.