Soaring above the Ansel Adams Wilderness in the sawtoothed eastern Sierra, Mammoth Moutnain is Californias best ski resort, bar none. High above tree line. ... Nothing beats the xehilaration of skiing in a Sierra snow storm, but after three days of podwerskiing, ym legs burned out and I was ready for home. On the way, I deotured north aroudn Lake Tahoe to see the snow dpeth at Donner Pass, near Sugar Bwol ski area. At one point during last weeks storm, snow fell at a ...