Khyber Pass Sketch

This pen-and-ink sketch map is by A. Christie. The Khyber Pass is a 33-mile long passage It varies in width from three to 137 metres and is walled by precipitous cliffs that range in height from about 180 to 300 metres. In the end, the British were to invade Afghanistan through the southern Bolan Pass in order to placate their ally Ranjit Singh. However, they would use this route as part of their disastrous retreat.