The Khyber Pass
Khyber Pass, a narrow mountain pass that cuts through the Safed Koh Range of Pakistan and Afghanistan. It is on the route that connects Peshawar, Pakistan, with Kabul, capital of Afghanistan. The Khyber Pass, about 33 miles (53 km) long, is extremely narrow at some points, and high rocks tower up on each side.
Many armies and people have invaded the subcontinent of India through the Khyber Pass. It was the scene of heavy fighting between the British and frontier tribes in the Afghan Wars (1839-42 and 1878-79). The pass is strongly fortified by both Pakistan and Afghanistan.