This rather bizarre lunar landscape caused by both sea and wind erosion can be observed at the tip of Cap Martin, between Monaco and Menton. On a stormy day, the views looking west towards Tête de Chien and Cap Ferrat in the distance are particularly stunning! The walk from Monaco to Menton via the tip of Cap Ferrat takes around 3 hours along the Sentier des Douaniers and is a great breath of fresh air, just make sure that you bring plenty of sun cream and water in the summer – find out more in this article.