Adour

The **Adour** (, ) is a river in southwestern France. It flows through the Occitanie and Nouvelle-Aquitaine regions.

It starts in the Pyrenees, at the Arbizon mountain. It flows into the Atlantic Ocean (Bay of Biscay) near Bayonne.

## Geography
The Adour river has a length of . Its drainage basin has an area of approximately .

### Course
The Adour river starts, as Adour de Payolle, at the north side of the Arbizon mountain. This river combines with the Adour de Gripp and the Adour de Lesponne to form the Adour river at Campan.

The Adour flows north for almost  through the Hautes-Pyrénées to Gers. There, it turns to the west and gets into the Landes department. In Port-de-Lanne, the Adour is joined by the Gaves réunis river. Finally, it flows into the Bay of Biscay, in the Atlantic Ocean, between Anglet (Pyrénées-Atlantiques) and Tarnos (Landes).

Boats can travel on the river beginning about  from its mouth.

## Tributaries of the Adour
Some of the important tributaries (longer than ) of the Adour are:

## Towns along the river
*Départements* and towns found along the Adour river are:
* Hautes-Pyrénées: Campan, Bagnères-de-Bigorre, Tarbes, Maubourguet
* Gers: Riscle
* Landes: Aire-sur-l'Adour, Dax, Tarnos
* Pyrénées-Atlantiques: Bayonne

## Hydrology 
The average yearly discharge for the Adour river is  at Saint-Vincent-de-Paul in the Landes department.

**Average monthly discharge (m3/s) at Saint-Vincent-de-Paul (1918 - 2017)**

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The Adour shows typical seasonal changes. The highest levels of the river are in winter and spring, from December to May inclusive, with the highest level in February. They are followed by a rapid fall in the flow during the low water period that goes from July to October.

## Gallery

Image:Riscle-pont_suspendu.jpg|The Adour at Riscle
File:Aire sur Adour LAdour.jpg|The Adour at Aire-sur-l'Adour
File:SMSA Adour.JPG|The Adour view from Saint-Maurice-sur-Adour
File:St Sever Adour 2.JPG|The Adour at Saint-Sever
File:Dax-13.JPG|The Adour at Dax
File:Barque port d'Urt.JPG|The Adour between Urt and Saint-Laurent-de-Gosse
File:Bayonne Adour embouchure.jpg|Bayonne, mouth of the Adour
File:Bayonne Adour embouchure (2).jpg|Bayonne, mouth of the Adour
File:Bayonne Port (3).jpg|Bayonne, the commerce port
File:Aire-sur-l-Adour-adour.jpg|Adour seen from the bridge at Aire-sur-l'Adour

## Related pages
* List of rivers of France

## Notes
## References 
## Other websites
* L'Adour : histoire, géographie et détournement   
* L'adour et ses affluents, villes et villages, faune et flore, navigation et pêche