Every winter season the Gryon Swiss Ski School offers young people from the region the “Gryon Team”. You will find the official documents here as well as the dates in the calendar of events. Downloads PDF Contacts – Information – BookingSuisse Ski School Gryon - We are at your service! Meet at the Gryon Swiss Ski and Snowboard School at “Les Chaux”. Snow or shine. Program subject to change: see Storm Warning and Advice to parents.