Sigale is a rural commune in the Alpes-Maritimes department in the southeastern Provence-Alpes-Côte d'Azur region in France. It is part …Sigale is a rural commune in the Alpes-Maritimes department in the southeastern Provence-Alpes-Côte d'Azur region in France. It is part of Préalpes d'Azur Regional Natural Park.