Fan Si Pan | Fansipan | Phan Xi Pang 🏔️ Overview Fan Si Pan, also widely written as Fansipan and Phan Xi Păng, is the highest mountain in Vietnam and the highest summit on the Indochinese Peninsula. Rising to 3,147.3 meters (10,326 feet) above sea level, it dominates the Hoàng Liên Sơn mountains of northwestern …