When will ski resorts in the Northern Alps open for the ski season? The 2026/27 Ski season in the Northern Alps starts from 2025/12/20. See this list of projected opening dates for Northern Alps mountains. Important Note: Not all dates listed here are official and final, as resort opening dates are projected and subject to change. Check back for updates on when the lifts are set to start spinning at Northern Alps, and don't miss opening day at your favorite resort!