Mammoth Mountain Opens November 8 mountains & resorts, News by Lorene Voskinarian August 30th, 20121 Comment Tweet Mammoth Mountain has announced they’ll be opening for the season on November 8th. That’s 70 days to get your gear together and get riding! One Response to “Mammoth Mountain Opens November 8” Steven Burkholder August 31st, 2012 I Can’t wait! It rained 1/100″ today! Pray for snow… Reply Leave a Reply Click here to cancel reply. Name (required) Mail (required) (will not be published) Website XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong> Notify me of follow-up comments by email. Notify me of new posts by email.