Cornice collapse

16th March 2021

Covid -19
The Scottish Avalanche Information Service issues information to support permitted activity under current Scottish Government guidance.
Please be aware of current mandatory travel restrictions in Local Authority areas within Scotland and respect local communities by referring to Scottish Government guidance and safe route choices for exercise. For further guidance please refer to the following information for hillwalkers and climbers and snowsports on ski and board.
This blog is intended to provide hazard and mountain condition information to help plan safer mountain trips.
The theme on Ben Nevis today was cornice collapse.  Recent debris was noted in more than one location.

Judging by the size of blocks, this is cornice collapse from [Ben Nevis] Number 4 gully last night.  The top of Number 4 gully must be around 1200m and this photo is at 950m to give some idea of how far it’s travelled.

Looking up Number 5 Gully on Ben Nevis.  Illuminated cornices by the sun, just poised to collapse in the warmer temperatures.

Looking onto West aspects on Carn Mor Dearg (1220m).

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