Когда ехать
Ski Dec–Apr; hike Jul–Sep; Aiguille weather cancel any season.
Окна
- Дек–март — ski snow; domains separate pass math.
- Июнь — some lifts hiking opening variable.
- Июл–авг — Lac Blanc hike; paragliding weight limit strict.
- Сент — shoulder quiet; refuge close some.
- Май — mud many trails closed.
Погода
Aiguille du Midi cancel fog wind — refund policy read. Mer de Glace ice cave warm year shrink steps increase. Mont Blanc trail summer — acclimatize don't rush altitude sick.