The north face of Bidean nam Bian in Glen Coe, Scotland: on the left, Beinn Fhada, and on the right Gearr Aonach, the middle of the Three Sisters of Glencoe. A line marked by trees across the foreground marks the gorge of the River Coe, and the diagonal line sloping up from left to right marks the ravine leading up to Coire Gabhail, the Lost Valley of Glencoe.