It's been snowing just enough for Mammoth Mountain to open from the top. Which is good news on an otherwise lackluster and low tide start to the season. We all know how quick that can change, but until then the shredding at Mammoth is happening and the resort is working hard to open more terrain daily. Here's the daily report for Saturday, December 2nd. "Skiing and riding continues out of Main Lodge and The Mill (Chair 2).