Mallemort is a commune in the Bouches-du-Rhône department in southern France. Mallemort is a quiet town located on the river Durance, sout…Mallemort is a commune in the Bouches-du-Rhône department in southern France. Mallemort is a quiet town located on the river Durance, south of the Luberon mountain range. The town itself is 10 km off the Autoroute du Soleil, within easy reach of Arles, Saint-Rémy, and Salon-de-Provence.