Midou

Midou
The Midou in Mont-de-Marsan downriver of the donjon Lacataye
Country	France
Basin features
Main source	Gers
River mouth	Midouze 43°53′29″N 0°30′9″W / 43.89139°N 0.50250°W / 43.89139; -0.50250 (Midouze-Midou)Coordinates: 43°53′29″N 0°30′9″W / 43.89139°N 0.50250°W / 43.89139; -0.50250 (Midouze-Midou)
Progression	Midouze→ Adour→ Atlantic Ocean
Physical characteristics
Length	108 km (67 mi)

The Midou or Midour (/midu/, Occitan: Midor) is the left precursor of the Midouze, in the Southwest of France.

The Midou rises in Armagnac, in the Gers département. It joins the Douze in Mont-de-Marsan to constitute the Midouze, a tributary of the Adour.