The largest sand dune is that in Argentina, Duna Frederico Kirbus, topping out at greater than 4000 ft high above its base. (And over 9000 ft above sea level.)
The second highest is also in South America.
[Have a crack at the list at the foot of the wikipedia article Dune.]
The world's largest sand dune is located in the Republic of Peru, in the Sechura Desert. This massive sand dune reaches 3,858 feet high.
The largest sand dune is the Cerro Blanco. It is in the Sehura Desert, Nazco.The Cerro Blanco is 6791 feet from sea level.
The largest sand dune in North Carolina is Jockey's Ridge, located in the Outer Banks. It stands at around 80-100 feet tall and is a popular spot for hang gliding and sandboarding.
Cerro Blanco it is the largest sand dune in the world but Cerro means "mountain" so i would say that you should use The Great Dune Of Phyla which is the tallest dune in Europe.
its in Michigan and the height is 11,258.55 miles
the one at jockeys ridge state park
the top of a sand dune is called the crest of the dune.
A hill of sand in a desert is normally referred to as a dune
A sand dune is a landform, not a climate.
A sand dune is a pile of wind-blown sand.
A sand dune is the deposition of windblown sand.
A sand dune that got blown away