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Takes the right hand ridgeline to a gendarme at 2/3rd height where it joints the headwall. An abseil is needed to pass the gendarme. The climb was abandoned somewhere on the headwall due to a difficulty that couldn’t be passed. The climb remains uncompleted. A crux of 16 was encountered before the headwall.
The Sinusoidal Ridge
Bryan Moore, Tony Ward-Holmes, Eric Bradshaw, Dec 1992.