Ski Areas in Val-d'Illiez Val-d'Illiez Ski Resorts Val-d'Illiez is a region of Switzerland offering skiing and snowboarding in 2 Swiss Ski Resorts, including Champoussin and Les Crosets. Snow Forecasts for Val-d'Illiez No significant snow is forecast for ski resorts here right now. Val-d'Illiez Ski Resorts Ski Resorts in Val-d'Illiez Ski ResortTrailsTopBeginn.Interm.Experts Les Crosets62 miles7,470ftChampoussin6 miles7,710ft