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发表于 2015-3-8 17:05:24
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Description of Northeast Face route: alpine grade AD-, ice, 400 m ( from alpine catalog Alpine Select, p.184)
Grade AD- is harder than PD but easier than AD:
PD: peu difficile (slightly difficult). Routes may be longer at altitude, with snow and ice slopes up to 45 degrees. Glaciers are more complex, scrambling is harder, climbing may require some belaying, descent may involve rappelling. More objective hazards.
AD: assez difficile (fairly difficult). Fairly hard, snow and ice at an angle of 45-65 degrees, rock climbing up to UIAA grade III, but not sustained, belayed climbing in addition to a large amount of exposed but easier terrain. Significant objective hazard.
Our Track:
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