Explore hiking trails around Saint-Martin-de-Crau, Provence-Alpes-Côte-d'Azur. The best hike near Saint-Martin-de-Crau is Dalle de la Conversation Loop via Avenue des Calanques, a 5.7 mile loop in Parc national des Calanques (aire d'adhésion). Saint-Martin-de-Crau has population 13729.0.