The Great Dune of Pyla is the tallest sand dune in Europe. It is located in La Teste-de-Buch in the Arcachon Bay area, France, 60 km from Bordeaux. Interestingly, the dune is relentlessly moving inwards, slowly pushing the forest back to cover houses, roads and even portions of the Atlantic Wall. This unique place is great traveling opportunity for those who would like to experience how it is like to be in desertFor the most athletic visitors, climbing up this slope is a real challenge. For the others, a staircase makes the ascent a little easier.