 They form the border between the French "département" Alpes-Maritimes and the Italian province of Cuneo.Mercantour National Park is located in the Maritime Alps.On the other hand, if the "département" Hautes Alpes is also considered as part of the modern Provence, then the alpin Écrins mountains represent the highest elevations of the region with the Barre des Écrins culminating at 4102m.