Altitude: 1886m to 2140m. Gain: 318m. Loss: 64m . Gradient: 16 deg
Skills: Glacier travel required (7/7)
We chose to ascend the slopes to a point above Hidden Col; this then required descent to pass under the icefall from McClure Peak. It may be better to cross Hidden Col itself. Traverse to below the unnamed col and ascend steeply (there was a 15m rock step in Jan 2015 that required scrambling).