- Fansipan is a mountain in Vietnam, the highest in Indochina, at 3 143 m. It is located in the Lào Cai province in Northwest Vietnam, 9 km southwest of Sa Pa Township in the Hoang Lien Son Mountain Range. Fansipan is dubbed "the Roof of Indochina"; it is to be approved as one of the very few ecotourist spots of Vietnam, with about 2,024 floral varieties and 327 faunal species.

- The topography of Fansipan is varied. Muong Hoa Valley, at the lowest altitude (950 to 1 000m), is created by a narrow strip of land at the base on the east side of the mountain. It can be climbed in a steep and fairly strenuous hike.