The calanques between Marseille and Cassis are popular amongst tourists and locals alike, surrounded by steep cliffs and sandy beach, offering several vantage points. A great number of hikers frequent the area, following numerous pre-marked trails. The cliffs are also used as training spots for rock climbers. However, this excessive use has posed problems of potential damage to this delicate microhabitat. Most of the calanques are also closed to the public during the summer (typically July through September) due to the risks of forest fire that often happen during the dry season.
The best time to visit calanques is probably March through May, when temperatures are still quite fresh and, unlike autumn and winter, rain is usually quite rare. As no fresh water sources are available in the calanques, it is advised to carry large supplies of water, especially during the hot summer to prevent serious dehydration. Boat tours are also available starting either from Marseille, Cassis or La Ciotat, which can provide for some spectacular sightseeing.
