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FATMAP difficulty grade
Thin and walled-in, this route gives a true alpine feel.
From the top of this or its conjoined route Zig-Zag, it's a Class 3 scramble west to the summit. From Blue Lake, locate the two obvious chutes on the south side.
This is the looker's left option.
About halfway up the couloir, there's the option to climb Zig-Zag instead, for a steeper top-out and descent.
To continue on easier terrain, keep left at this intersection.
The bottom is almost always very sharky, so go slowly and deliberately so as not to accidentally hit rocks.