Campan is a commune in the Hautes-Pyrénées department in the Occitanie region of south-western France. Campan stands in a valle…Campan is a commune in the Hautes-Pyrénées department in the Occitanie region of south-western France. Campan stands in a valley of the same name at the confluence of the rivers Adour and Adour de Payolle. It is situated on the former Route nationale 618, the Route of the Pyrenees.