Fansipan Fansipan Fansipan (Vietnamese: "Phan Xi Păng", ) is a mountain in Vietnam. At , it is the highest mountain in the Indochinese Peninsula (comprising Vietnam, Laos, and Cambodia), hence its nickname "the Roof of Indochina". It is located in the Lào Cai Province of the Northwest region of Vietnam, 9 km southwest of Sa Pa Township in the Hoang Lien Son mountain range. The origin of the name "Phan Xi Păng" is unclear. The most accepted theory is that the name evolved from "Hủa Xi Pan" ("the tottering giant rock") - the name that the locals called the mountain based
Pang Xi the Governor of Yi Province. During this time, Liu Zhang appointed Pang Xi as the Administrator (太守) of Baxi Commandery (巴西郡; around present-day Langzhong, Sichuan) and ordered him to lead troops to attack his rival, Zhang Lu, in Hanzhong Commandery. Although Pang Xi never managed to make any territorial gains in Hanzhong Commandery, Liu Zhang still left him in charge of Baxi Commandery to guard against possible advances by Zhang Lu. Liu Zhang also arranged for his eldest son, Liu Xun (劉循), to marry Pang Xi's daughter. As time passed, Pang Xi became increasingly arrogant because he believed that Liu