Ariège (river)

The **Ariège** (; ) is a river in the south of France. It is  long. It is a right tributary of the Garonne. The Ariège department is named after this river.

## Geography
The Ariège river is  long. It has a drainage basin of .

Its average yearly discharge (volume of water which passes through a section of the river per unit of time) is  at Pinsaguel, near the confluence with the Garonne, in the Haute-Garonne department, for a period of 30 years.

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**Average monthly discharge (m3/s) at Pinsaguel**

### Course
The source of the Ariège is in the *Lac of Font Nègre*, at the Pyrenees on the border between France and Andorra, just south of Pas de la Casa (Andorra) on the western side of the *Pics Orientaux de Font Nègre*, in the *commune* of Porta, Pyrénées-Orientales department, at an altitude of about .

In its first part, it flows to the north, forming the border between France and Andorra, up to Pas de la Casa, and then turns to the north-east.

After flowing through the Ariège plain, the river gets out of the department of Ariège and into the department of Haute-Garonne and, finally, joins the Garonne river at Portet-sur-Garonne, near the city of Toulouse.

The Ariège flows to the northeast, in general, and passes through the following regions, departments and communes:

**Andorra**
* Parish of Canillo: Pas de la Casa
**France**
* Occitanie region
** Pyrénées-Orientales : Porta, Porté-Puymorens
** Ariège : L'Hospitalet-près-l'Andorre, Ax-les-Thermes, Les Cabannes, Tarascon-sur-Ariège, Montgaillard, Foix, Varilhes, Pamiers, Saverdun
** Haute-Garonne : Cintegabelle, Auterive, Venerque, Labarthe-sur-Lèze, Pins-Justaret, Pinsaguel

The Ariège river flows through a total of 58 *communes*.

## Main tributaries
Some of the tributaries are:
* Right tributaries:
** **Oriège** (); its source is on the northern side of the peak Carlit and flows into the Ariége at Ax-les-Thermes.
** **Lauze** ().
** **Hers-Vif** or **Hers** (). It is the tributary more important of the Ariége; it joins the Ariége at Cintegabelle (Haute-Garonne).
** **Aïse** ().
* Left tributaries
** **Aston** ().
** **Vicdessos** (). It joins the Ariége at Tarascon-sur-Ariége.
** **Courbière** (). It joins the Ariège before Tarascon-sur-Ariège.
** **Arget** (). It joins the Ariège on the foot of the Foix castle. Its valley is named as *la Barguillière*.
** **Lèze** ().

## Gallery

File:N20-ariège2.jpg|The Ariège near Ax-les-Thermes.
File:Occitania tarascon.JPG|The Ariège river in Tarascon-sur-Ariège.
File:Ariège River in Foix001.JPG|The Ariège in Foix.
File:Rivière Ariège à Foix.JPG|The Ariège in Foix.
File:Confluent Ariège-Garonne (2017).jpg|Confluence Ariège-Garonne.

## Related pages
* List of rivers of France

## References 
## Other websites
* Fédération de pêche de la Haute-Garonne  
* Eauxvives - L'Ariége 
* History and real-time water heights of Ariege river, Garonne river, and other tributaries