Technical Difficulty: Snow and ice sections at angles over 45 degrees with steep steps. Rock sections up to VD. Confident mountaineering skills including some rock and ice climbing experience. Previous Alpine climbing or high altitude experience is normally required unless technically very confident beyond the grades below. (Alpine AD Scottish Grade 2/3 Rock VD-S).

Fitness: A high level of all round fitness will be required to cope with the exceptionally strenuous nature of these expeditions. A resistance to extreme weather conditions over extended periods of time. Heavy loads over multiple days may need to be carried.