Arreau is a commune in the Hautes-Pyrénées department in southwestern France. It is situated on the former Route nationale 618, the Route of the Pyrénées. Arreau is at the crossroads of the Louron valley and the Aure valley.
Wikipedia https://en.wikipedia.org/wiki/Arreau
Coordinates 42°54'19.666" N 0°21'32.343" E
