The Louts (; ) is a left tributary of the Adour, in Nouvelle-Aquitaine, in the Southwest of France. It is long. Name It is documented in medieval Latin as Fluvius qui dicitur Lossium. Geography The Louts rises in Thèze, flows northwest through Chalosse and joins the Adour, in Hinx. Départements and towns Pyrénées-Atlantiques : Thèze, Arzacq-Arraziguet, Lème, Méracq, Vignes. Landes : Hagetmau, Saint-Cricq-Chalosse, Caupenne. References Rivers of France Rivers of Pyrénées-Atlantiques Rivers of Landes (department) Rivers of Nouvelle-Aquitaine