Fansipan Mountain, the highest peak in Vietnam. Nestled at an elevation of 4921 feet or 1500 meters, Sapa is in Hoang Lien Son mountain range, in the northwest region of the country. Because of its geographical location, the town's rugged scenery usually experiences being clouded by a warm mist, which only adds to Sapa's beauty and charm, and making it truly a unique place to visit.