Today, June 16th 2012, the Chamonix Valley opens its doors, its attractions and its cable cars for the summer season: - the Brévent-Flégère site is now open for the summer (Plan Praz cabine and Brevemt & Flégere cable cars). - Le Tour cabine in the Balme site, - the ice cave and the Montenvers cabine. and of course the Aiguille du Midi and Train du Montenvers