How are sand dunes formed? A dune is a hill of sand that forms when the combination of wind forces and/or water currents allows for the accumulation of sand: the wind lifts the accumulated sand from the sea and carries it inland, until it meets an obstacle that will force the sand to settle, with sand particles stacking on top of one another until a …
The Dunes of Dyuni, near Pomorie, Bulgaria, vast area of sand dunes in the Burgas Province. The Dune of Pilat, not far from Bordeaux, France, is the largest known sand dune in Europe. The, in the south west of Sardinia island. Sands of Forvie within the Ythan Estuary complex, Aberdeenshire, Scotland.