The Massif des Calanques (; ) is a wild and rugged terrain stretching from the 9th arrondissement of Marseille to the east towards Cassis, spanning 20 km in length and 4 km in width along the coast. Its highest peak is Mont Puget at 565m. The area has been protected by a national park since 2012.Décret n o 2012-507 du 18 avril 2012 créant le Parc national des Calanques, Journal officiel de la République française, 19 April 2012.
The massif is characterized by steep cliffs of limestone (Urgonian and dolomite) in the western part, and of a combination of limestone, sandstone and puddingstone east of Cassis.Géologie et paysages, Parc national des Calanques.
See also Calanque Calanques National Park
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