Araux is accessed by departmental roads 836 and 936.
Araux lies in the Adour watershed. The gave d'Oloron (a tributary of the gave de Pau) and the Lausset, a tributary, flow into the area. The Cassou dou Boue and the Lescuncette stream, both tributaries of the Harcellane stream (itself a tributary of the Lausset), also pass through the commune.
Araux has also been referred to as Araus (
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