Flaine
The snow sure choice with a huge, gentle learning area right by the base.
Flaine sits high in a natural bowl, so its broad, gentle beginner slopes hold snow reliably while lower villages wait. The purpose built, ski in ski out layout means the nursery area is a short walk from the door, and the Flaine Foret sector gives a large, unintimidating space to learn before the gentle greens fan out across the bowl.
It beats the valley villages for top spot on snow security and the sheer scale of easy terrain on the doorstep. For a guaranteed, low stress first week, nothing in the Grand Massif does it better.