Tree-skiing may sound like a death wish, but some skiers love the risk of skiing virgin powder lying in a stand of aspen or spruce. The key, of course, is not hitting the trees! In Outside magazine, writer and skier Tim Etchells lays out the challenge:

Even more so than in deep snow or moguls, what you focus your eyes on becomes critical in the woods. Look at the spaces between the trees—, the exits where you hope to be traveling. "Don't stare at what you don't want to hit," says [extreme-skiing world champion Kim] Reichelm matter-of-factly.