
This relief is characterized by a set of ridges where is the highest point of the territory of the Park: the Opies, at 498 m altitude. From the tower that symbolizes the summit, it is possible to see up to the alpine massifs. This tower was a watchtower, built at the dawn of the twentieth century, to prevent the fire in the massif. It is now used to house the Mistral adventurers who have reached the summit.