Summer 2025: until 31st of August
Winter 2025-26: From 29th of November 2025 to 3rd of May 2026
Spring 2026: From 4th of May to 12nd of June 2026
Summer 2026: From 13th of June to 30th of August 2026
All information available online at https://www.les2alpes.com/winter/all-news/les-2-alpes-a-4-season-destination/