Luz-Saint-Sauveur is a commune in the Hautes-Pyrénées department in the Occitania region of south-western France. It lies on the river Bastan, a tributary of the Gave de Pau. Its inhabitants are calle

The Lavedan, or occasionally vallées des Gaves, denotes a mountainous natural region of France, located at the heart of the Pyrénées, and forms a group of valleys upstream of Lourdes.