0. No requirements/ minimal requirements
Easy climbs with non-technical elements. No certain knowledge or experience is required for this activity.
Climbing sections clearly arranged and unproblematic. Might include short steep passages and a few crevasses. Increased step safety is necessary. No prior experience is required, all necessary techniques will be explained by the guide before or during the climb.
Good navigational skills and efficient rope handling required, long climbing sections. Basic experience in using crampons and ice axes is required.
Good sense of orientation en route, efficient rope handling, long climbs, requires securing at halting-points. Requires proficiency in basic mountaineering skills including: cramponing, walking on snow, self-arrest, crevasse rescue, and glacier travel on a rope team.
Extremely steep, partly overhanging wall passages, ice climbing sections. Requires proficiency in basic and advanced mountaineering skills including: cramponing, walking on snow, self-arrest, crevasse rescue, and glacier travel on a rope team.