Le Ravin des Arcs Site classé Natura 2000, cette randonnée pédestre permet de s'immerger dans les garrigues du Nord de Montpellier. Le Lamalou, petit affluent de l'Hérault, a creusé une petite vallée étroite bordée de hautes falaises de 150 à 200m. Un plaisir pour les yeux!!!! 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