This ridge is a very long journey from Goat Pass and would be better tackled from a camp near Lake Mavis. Gain the ridge along the Main Range above the lake, following its initially broad back to the second knoll (1864m). From here the ridge narrows, taking a steep approach to the summit of the next buttress (1876m). The ridge turns west over the exposed slabs above Lake Sally and the deep gut of the upper Deception, climbing steeply over broken ground to join the South West Ridge. From here descend to the col above Lake Anna then climb the steep South Ridge to the summit. Be well prepared for a forced bivvy as it is a very long day’s outing!
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Updated with info from https://www.arthurspass.com/index.php?page=59