Dune

Dune
A ridge of sand created by the wind; found in deserts or near lakes and oceans.
Usage
The driver of a four-wheel-drive adventure bus that rolled in sand dunes near Lancelin last year, leaving tourists with serious spinal injuries has been charged for not having a licence to drive the vehicle.
smh.com.au
Etymology

1790, from Fr. M.Du. or M.L.G. dune, all perhaps from Gaulish *dunom (thus related to down (n.2)). The French word (13c.) is held to be an Old French borrowing from Germanic. Dune buggy attested by 1965.