The Maritime Alps are a mountain range in the southwestern part of the Alps. They form the border between the French region of Provence-Alpes-Côte d'Azur and the Italian regions of Piedmont and Liguria. They are the southernmost part of the Alps.
Col de la Cayolle (el. 2,326 m) is a high mountain pass in the French Alps at the border between the departments of Alpes-Maritimes and Alpes-de-Haute-Provence in France.
It connects Barcelonnette in the Ubaye Valley and Saint-Martin-d'Entraunes.
It lies parallel to the Col d'Allos and Col de la Bonette in the Parc National du Mercantour.
The Var River has its source near the pass.
The road leads to the red-rock Gorges de Daluis.