Few rivalries are more heated than the antagonism that exists between cross-country and downhill skiers. Cross-country skiers extol the tranquility that comes from taking an extended trek through the woods.
Downhill skiers celebrate the exhilaration and, yes, danger of racing down the side of a mountain.
For a pure cardiovascular workout, nothing beats cross-country skiing. Furthermore, this low-impact exercise works more muscles than any other activity. Classical style uses tracks groomed into the snow. Skating is more strenuous, requiring the skier angle one ski out in a skating motion while moving the body over the other ski. It's possible to learn cross-country skiing as you go, but for maximum physical benefits, take a few lessons.