South west face to south east ridge

From tarns just below (east) of Harrison-John O'Groats saddle, ascend obvious
steep gully through cliffs below peak 1627m. Sidle peak 1627m then descend
towards Ongaruanuku. Scramble up and across southwest face then climb the
steep gut to the obvious notch on the southeast ridge. Climb southeast ridge
(on Kaipo side) to summit.