Fansipan. Fansipan (Vietnamese: Phan Xi P??ng, ) is a mountain in Vietnam. Its height was 3,143 metres (10,312 ft) in 1909, and it presently stands at 3,147.3 metres (10,326 ft). It is the highest mountain on the Indochinese peninsula (comprising Vietnam, Laos, and Cambodia), hence its nickname, "the Roof of Indochina". It is located in the L??o Cai province of the Northwest region of Vietnam, nine kilometres (5+1???2 miles) southwest of Sa Pa, in the Hoang Lien Son mountain range. Administratively, it is shared between Tam ???????ng District, Lai Ch??u and Sa Pa town. Etymology The origin of the name Phan Xi P??ng is unclear. The most commonly accepted theory is that it evolved from H???a Xi Pan ("the tottering giant rock")???the name that the locals called the mountain, based on its shape. Another theory suggests that the name came from the...