Easiest route 3000m vertical rise, 25km in length not highly technical challenges-glacier travel, weather, temperature extremes, high altitude steady gradual ascent for proper acclimatization
East Ridge
A difficult climb without being extreme 3600m vertical rise Technically moderate to difficult Challenges - mixed rock, snow and ice climbing, knife edge traverses, avalanches, storms, temperature extremes, high altitude Steep ascent up 40 to 60 degree slopes
Hummingbird Ridge
Very difficult to extreme 4000m vertical rise Technically very difficult Challenges - mixed rock, snow and ice climbing, traverses, avalanches, severe weather, temperature extremes, high altitude Steep exposed ascent