What is the most mountainous region of Asia?

- The Himalayas mountain system is the most extensive mountain belt on Earth, spreading over 2,400 km (1,500 miles), 1,500 km (900 miles) west to east, and spanning 350 km (220 miles) to 400 km (250 miles).

- Contains the world’s highest peak Mount Everest at 8,848.86 m (29,032 ft) above the sea level.