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

Climb a Fourteener

Colorado is a mecca for mountaineering, especially for summits reaching 14,000 feet or higher. This summer, stand atop your first fourteener or your fifty-second. Whatever your ambitions, our guides can help you reach your goals.

Run through Colorado's High Alpine

Run for a half day, a whole day or an entire six days through Colorado's high country. Sign up for a guided day out, or check out Hut Run Hut, legendary multiday trips led by professional runner and fun-master Rickey Gates. Have fun while pushing your limits and seeing some of the most beautiful country in Colorado.

Leave the Boys Behind

Photo: Devin Pool

Photo: Devin Pool

Calling all adventure loving women! This winter, Leave the Boys Behind is offering backcountry trips and avalanche education courses. Adventure in the Colorado wilderness in company of other inspiring women on trips led by women!