A. Sahara Desert
B. Gobi Desert
C. Thar Desert
D. Rajistan Desert
The highest sand dunes are found in the Sahara Desert. The Sahara desert is found in the Africa. It is the largest desert in the world. In east-central Algeria, the Isaouane-n-Tifernine Sand Sea has some of the largest sand dunes in the world. These dunes can go up to 450 meters in height. In Morocco, Erg Chigaga has the largest dunes where some reach a height of up to 300 meters.
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