Winter, summer, spring and fall, Aspen Alpine Guides offers every excursion to satisfy your adventurous side. Since 1987, AAG has provided professional, quality mountain guiding adventures in the Aspen area and beyond. We are an equal opportunity service provider and employer operating under a special use permit from the USDA Forest Service, White River National Forest.

Our adventures span guided year-round trips including hiking, rock climbing, mountaineering, snow-shoeing, cross country ski instruction and tours, backcountry skiing, out of bounds lift assisted skiing, mountain biking, backpacking, hut trips on the 10th Mountain Hut System, and High Altitude Training for runners and Cyclists. We also offer a series of international trekking and climbing trips, as well as American Institute for Avalanche Research and Education (AIARE) courses. With areas of operation spanning from Crested Butte to Aspen, Leadville to Vail, Telluride and Moab, Utah, we specialize in creating custom backcountry adventures for individuals and groups of all abilities and sizes.

Why choose a guide?

Not only are our guides certified in emergency wilderness medicine, they also have the knowledge and knowhow to tailor a trip to your individual needs and take you to places far from crowds and conventionality. As the saying goes around here, your guide is your most important accessory. Meet our guides!



Featured Adventures

Leave the Boys Behind

Sometimes girls just want to have fun. Our Leave the Boys Behind trips offer fun, gorgeous settings, adventures tailored to your interests, all in the company of great female guides.

Aspen Backcountry Marathon

No pain no gain, as the saying goes. But pain and gain go hand in hand during the Aspen Backcountry Marathon--one of the toughest races out there. 

Hut Run Hut

Six days. 100 miles. 5 backcountry huts. All in the company of the funnest group of people imaginable.