What are the largest sand deserts within the Arabian Desert?

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The two largest sand bodies within the Arabian Desert are the Rubʿ al-Khali and Al-Nafūd.1

  • Rubʿ al-Khali (The Empty Quarter): Located in the southeast, this is the largest area of continuous sand in the world, covering approximately 250,000 square miles (650,000 square km). It features a diverse range of dune forms, including barchan, seif, and giant complex dunes.21
  • Al-Nafūd (Great Nafud): Situated in the northwest, this desert covers an area of about 25,000 square miles (65,000 square km). It is characterized by its unique crescent-shaped slipface dunes and has historically served as a significant barrier to travel.1

Additionally, these major deserts are linked by Al-Dahnāʾ, a great arc of reddish sandy desert that extends about 800 miles (1,300 km) and consists of seven major sand ridges. Other notable sand regions include the Al-Sabʿatayn Dunes in Yemen and the Āl Wahībah Dunes in eastern Oman.31