East Face

This is one of the classic and most serious lines on Aiguille de Triolet. It combines glacier travel, steep snow and ice, and exposed mixed climbing on the upper mountain. The route is highly condition-dependent, with objective hazards from seracs, crevasses, and rockfall. The upper ridge can require sustained technical climbing in alpine conditions. It is generally regarded as a demanding high-mountain ascent rather than a straightforward snow route. A competent team should expect a long, committing outing with complex route-finding.

The south face is a major alpine route on the peak and is documented as a serious mixed ascent. It typically involves steep snow and ice with sections of rock or mixed climbing depending on conditions. The face is exposed to objective dangers, especially rockfall and changing ice conditions. Route-finding can be complex, and the line may vary with seasonal conditions. It is a committing climb suited to experienced alpinists. The descent is an important part of the overall difficulty and may be non-trivial.