Mammoth Closing Day 2024 Tickets. Mammoth confirmed today via social media that memorial day, monday, may 27, 2024 will be the final day of the winter '23/'24 season. With 8+ feet of snow in february and 13+ feet in march,.

Mammoth confirmed today via social media that memorial day, monday, may 27, 2024 will be the final day of the winter ’23/’24 season. This season will be much shorter.