Aravalli Hills (əräˈvəlē) [key], hill system, N India, stretching 350 mi (560 km) through Rajasthan state. Divided into the Sambhar-Sirohi and the Sambhar-Khetri ranges, the hills contain a variety of minerals, including large amounts of quartzite. Most of the hills are 1,000 to 3,000 ft (300 to 900 m) in elevation and from 6 to 60 mi (10 to 100 km) in width. The peak of Guru Sikhar on Mount Abu, which is 5,645 ft (1,720 m) in elevation, is the highest of the range.
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