Guy McKinnon soloed the first ascent of the west face of Mt. Tutoko ( 2,608 m ) near the southern tip of New Zealand 's south island .
Mt. Tutoko ( 2,608 m ) is the highest peak of the Darran Mountains .
Guy McKinnon soloed the first ascent of the west face of Mt. Tutoko ( 2,608 m ) , the highest peak of the Darran Mountains , near the southern tip of New Zealand 's south island .