Allos is a commune in the Alpes-de-Haute-Provence department in the Provence-Alpes-Côte d'Azur region of southeastern France. Allos is …Allos is a commune in the Alpes-de-Haute-Provence department in the Provence-Alpes-Côte d'Azur region of southeastern France. Allos is a high mountain commune in the southern Alps. The commune experienced a significant rural exodus in the 19th century, following the population movement of the department. Then the town was overwhelmed for eighty years by winter sports: the construction of accommodations and ski-lifts has changed the landscape and the mountain urbanisation. The economy was profoundly altered with almost all jobs being found in tourism. Traditional agricultural activities persisted only marginally.