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There are three contenders for the title of the world's highest sand dune, and it depends upon the context - whether one means the highest in actual sand dune size, or the highest above sea level.

According to some sources, the world's highest sand dune is the Cerro Blanco dune in the Sechura Desert, Nazca, Peru. However, according to the Namibian Ministry of Environment & Tourism, the highest dune in the world is called Big Daddy, or Dune 7, and is one of the Sossusvlei dunes in the Namib Desert. However, according to the website link below (Duneguide), the highest sand dune may well be the humble Mt Tempest on Moreton Island, just off the coast of southern Queensland, Australia. The second largest sand mass in the world, Mt Tempest reaches 280m above sea level, and it is all sand.

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14y ago

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