Sa De Phin is a commune on the plateau of Sin Ho district, Lai Chau province, located at an altitude of over 1,700m above sea level, cloudy and foggy all year round, fresh and cool climate. This place is known for hundreds of years old tea trees, Hoang Ho lake is planned as an eco-tourism area. In addition to the places mentioned above, recently young people have discovered a place with wild and majestic beauty that attracts many young people to explore and experience that is "Vac Waterfall" as the people here call it.

The waterfall is about 01 km from the center of Sa De Phin commune. Looking down from the top of the mountain, you will see a vertical depth of hundreds of meters combined with waterfalls flowing from above to create a majestic natural landscape. The waterfall along with the unspoiled landscape here creates a beautiful picture of nature.

Waterfall is an impressive destination where there is a lot of potential, with the majestic unspoiled natural landscape and typical products, the rich and diverse cultural identity of the local peoples, with great potentials. Sin Ho then focuses on investment and exploitation to develop Vuc Thac into attractive tourism products that attract visitors such as eco-tourism, community-based tourism... At the same time, protecting the environment and preserving the environment. protect the natural landscape and preserve the traditional cultural identity and contribute to socio-economic development in the locality to realize the national goal of building a new countryside.