Aravalli Range
The Aravalli Range (also spelled "Aravali") is a mountain range in Northern-Western India, running approximately 670 km (430 mi) in a south-west direction, starting near Delhi, passing through southern Haryana and Rajasthan, and ending in Gujarat. The highest peak is Guru Shikhar at . The Aravalli Range is considered to be the oldest fold mountain system in the world, having its origin in the Proterozoic Era.