Solitude's BackTracks program is operated by the resort, but don't expect to ride the lifts all day.
Aspen Expeditions guides lift-served backcountry trips from Aspen Mountain, Aspen Highlands, Snowmass, and Buttermilk.
If you're traveling out of bounds at Jackson, you'll want a guide to help you navigate the steep avalanche terrain.
Things are heating up at the busiest backcountry skiing spot in North America. Editor, Marc Peruzzi, reports from the Wyoming/Idaho border.