An irregular ridge called Bareback Ridge extends north from Olstad Peak. The name stems from the absence of surficial material and vegetation from its top and sides. Towards the centre of the island, the McPherson Crags rise to .
An irregular ridge named Bareback Ridge extends northward from Olstad Peak. The name is derived from the absence of surface cover and vegetation on its flanks and summit. As one moves towards the center of the island, the rugged McPherson Crags reach a height.