Mammoth Mountain opened for the season Nov 5, 2026 6 hrs ago Facebook Twitter WhatsApp SMS Email Print Copy article link Save It was originally supposed to open next week but they opened earlier thanks to better temperatures for snow making and a foot of fresh powder. Facebook Twitter WhatsApp SMS Email Print Copy article link Save Watch 2 News Most Popular Articles Videos ArticlesSorry, there are no recent results for popular articles. VideosSorry, there are no recent results for popular videos.