Mammoth Mountain is extending its winter operations to July 4, 2010. Mammoth Mountain has received over 41 feet (493 inches) of snowfall this season including more than three feet of snow in the first week of April. Mammoth is experiencing the deepest snowfall season since the record breaking 2005/06 season, when over 50 feet of snow fell on the mountain.  After June 25th some of the mountain bike trails will be open as well; you'll be able to ski, bike and golf in the same spot.