Mammoth Mountain, CA Announces Lifts, Runs, and Terrain Park That Will be Available on Friday’s Opening Day Thanks in no small part to the more than three feet of snow dumped on Mammoth Mountain, CA this week, the resort will be opening on Friday, October 29thโโtwo weeks earlier than planned. Related: Mammoth Mountain, CA โSnow Farming:โ A Dutiful Art on an Absolutely Massive Scale Ahead of the opening, the resort shared with us yesterday what lifts and […] Industry News SnowBrains | October 27, 2021 0 Comments