Khyber Pass

geographical name
Khy·​ber Pass | \ ˈkī-bər How to pronounce Khyber Pass (audio) \

Definition of Khyber Pass

mountain pass 33 miles (53 kilometers) long on the border between Afghanistan and Pakistan in the Safed Koh Range west-northwest of Peshawar

Note: Over the centuries, many different armies and peoples have gained access to the Indian subcontinent by traversing the Khyber Pass.