Råbjerg Mile is a migrating coastal dune between Skagen and Frederikshavn, Denmark. It is the largest moving dune in Northern Europe with an area of around 2 km2 and a height of 40 m above sea level. It is also the only major stretch of migrating dunes in Denmark. The dune contains a total of 4 million m3 of sand. The wind moves it in a north-easterly direction up to 18 metres a year.