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|On the Western Side||
On the western side, the first stream below Ice Lake offers good travel up towards Grey Pass with the odd pitch of steeper rock. To avoid the confined lower part of the stream, use the spur on the true right and sidle in at about the 1100–1200-metre contour. Alternatively, this spur itself can be used to access the pass, with a bit of route finding and scrambling involved higher up, leading to within about 50 metres of Seymour Peak.
D O W Hall, S Conway, W G Lowe, R W M Johnson, J Sampson and E M Cotter ( first crossing to the North Butler Valley), December 1947
|On the Eastern Side||
On the eastern side, climb easy slopes from the head of the Grey Glacier. Grey Pass should be crossed at its lowest point. Alternatively, climb Seymour to within 50 metres of the summit and then descend a short couloir, which provides access to the west ridge of Seymour. See above. Access down the Grey Glacier may often be impassable these days due to the icefall at about 1500 metres, especially during summer. An alternative route could lie over Gordon Peak.
Will Kennedy, Jack Lippe (reached the pass from the east), February 1925
Alex Palman, Yvonne Cook and Geoff Spearpoint, in association with the Canterbury Mountaineering Club
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