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On the Arrowhead Buttress, start on the left side of the lower buttress and ascend the obvious ice flow. Then follow a broad snow gully tending left into a narrow couloir, where it is necessary to either climb the ice or bridge up the rock walls. The route pops over an adjoining snow ridge and up an easy gully to a very loose summit. The descent continues over the summit.
Snow White Tan
Mike Peat, Tom Wilson, August 2006