Mammoth Extends Season Indefinitely… “Our “policy” is to stay open for skiing and riding as long as you can ski down Broadway.” – Mammoth Mountain Mammoth announced today that they will be extending their season indefinitely. Mammoth was slated to close tomorrow, May 27th, 2013 but now they will be open for an indefinite additional amount of time. On good years, Mammoth often stays […] SnowBrains | May 27, 2013 7 Comments