THE FACTS

START GRID REF NN143684 on the Glen Nevis road

ASCENT 1150m

DISTANCE 11km

TERRAIN Boggy low down, soft snow higher up, frozen névé near the top

DIFFICULTY Although only a Grade 1 scramble in summer and a Grade 1 winter climb, as this photo shows conditions are everything, and the precise difficulty of the challenge awaiting you is hard to predict