proper noun

• A vast mountain system in southern Asia, extending 2,400 km (1,500 miles) from Kashmir eastwards to Assam.

The Himalayas consist of a series of parallel ranges rising up from the Ganges basin to the Tibetan plateau, at over 3,000 m above sea level. The backbone is the Great Himalayan Range, the highest mountain range in the world, with several peaks rising to over 7,700 m (25,000 ft), the highest being Mount Everest