Arize

The Arize (Arisa) is a river of France, a right tributary of the Garonne. It arises at 1,355 m in the massif of Arize, in the Pyrenees, in the department of Ariège. The Arize is 83.8 km long and flows into the Garonne at Carbonne.

In its first 4 or it is called the Péguère. It formed the grotto of Le Mas-d'Azil.