Mammoth Closing Date 2025 Schedule

Mammoth Closing Date 2025 Schedule. Download the quick guide to opening/closing dates. 2025 mammoth bike park season passes are no longer available for sale.

Download the quick guide to opening/closing dates. Mammoth confirmed today via social media that memorial day, monday, may 27, 2025 will be the final day of the winter ’23/’24 season.