MidouzeThe Midouze, is a right tributary of the Adour river, in the Landes, in the Southwest of France.NameThe name Midouze is a portmanteau that fuses the names of the two precursors of the river, the Midou and the Douze.GeographyThe Midouze is the union of the Midou and the Douze. These two rivers rise in the Gers département and join in Mont-de-Marsan. After a course of, the Midouze flows into the Adour downstream from Tartas. It has a length of from the source of the Midou.Départements and towns Landes : Mont-de-Marsan, TartasMain tributaries Estrigon, from Labrit. Bez, from Morcenx.