Midouze
{{Infobox river
| name = Midouze
| image = Confluence of the Midou & the Douze (3).jpg
| image_caption = Confluence of the Douze and the Midou in Mont-de-Marsan
| pushpin_map = France#France Nouvelle-Aquitaine
| source1_location = confluence of Midou and Douze
| mouth_location = Adour
| mouth_coordinates = {{coord|43|48|1|N|0|51|39|W|format=dms|display=inline,title}}
| progression = {{RAdour}}
| subdivision_type1 = Country
| subdivision_name1 = France
| length = {{convert|43|+|108|km|mi|abbr=on}}
| source1_elevation =
| discharge1_avg = {{convert|20.5|m3/s|cuft/s|abbr=on}}
| basin_size = {{convert|3590|km2|mi2|abbr=on}}
}}
The Midouze ({{IPA|fr|miduz}}; {{langx|oc|Midosa}}), is a right tributary of the Adour river, in the Landes, in the Southwest of France.
Name
The name Midouze is a portmanteau that fuses the names of the two precursors of the river, the Midou and the Douze.
Geography
The Midouze is the union of the Midou (or Midour) and the Douze. These two rivers rise in the Gers département (in the historical region of Armagnac) and join in Mont-de-Marsan. After a course of {{convert|43|km|mi}}, the Midouze flows into the Adour downstream from Tartas. It has a length of {{convert|151|km|mi}} from the source of the Midou.{{sandre|id=Q2--0250|nom=La Midouze}}