Ar Rub` al Khali topographic map
Interactive map
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About this map
Name: Ar Rub` al Khali topographic map, elevation, terrain.
Average elevation: 183 m
Minimum elevation: 173 m
Maximum elevation: 187 m
The desert is 1,000 kilometres (620 miles) long, and 500 kilometres (310 miles) wide. Its surface elevation varies from 800 metres (2,600 ft) in the southwest to around sea level in the northeast. The terrain is covered with sand dunes with heights up to 250 metres (820 ft), interspersed with gravel and gypsum plains. The sand is reddish-orange due to the presence of feldspar.