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FATMAP difficulty grade
According to Gerry Roach this one doesn't melt out until the mid-summer.
It's consistently 45° and maxes out at almost 60°.
Take the Isabelle Glacier Trail all the way to its namesake geographic feature.
This is the furthest couloir on looker's right of the cirque.
Climb, and once you've reached the top go right for an easy walk to the summit.