The Dune of Pilat (French: Dune du Pilat), also called Grande Dune du Pilat, is the tallest sand dune in Europe. It is located in La Teste-de-Buch in the Arcachon Bay area, France, 60 km (37.2 mi) southwest of Bordeaux along France's Atlantic coastlines.

With more than two million visitors per year, the Dune of Pilat is a famous tourist destination.

The Dune Of Pilat is located at the southern entrance to the Arcachon basin, in the locality of Pyla-sur-Mer, which is administratively dependent on the municipality of La Teste-de-Buch, near Arcachon, in the heart of the Landes de Gascogne.