Leave the Boys Behind is a female-specific guiding program offered by Aspen Alpine Guides. This program is designed with the intention of creating an all-female experience in and around the pristine wilderness and rugged mountains of Aspen, Colorado. Leave the Boys Behind hosts backcountry adventure trips throughout the year that include skiing, snowboarding, backcountry hut trips, mountain and road biking, trail running, backpacking, peak climbs, avalanche courses, and international treks. All trips are designed by and led by women for women. 



Featured Trips & Programs


Castle Peak Mountaineering Course


The Castle Peak Mountaineering weekend course is a collaborative program with Colorado Mountain School and is a co-ed trip. This course will teach you the skills needed to climb a peak along with how to camp in a alpine setting. This trip is a great opportunity to learn new skills or brush up on your mountaineering skills with the added bonus of summiting a classic Colorado 14er.

Sangree Hut: Hiking, goals, & MOre!

This summer join us at the Sangree M. Froelicher Hut. This trip is 2 nights and 3 days and will be filled with various hikes and adventures from the hut to beautiful nearby locations. The Sangree Hut is located at 11,650' in central Colorado. Dates: July 19-21st, 2018


Running Programs


Aspen is filled with endless trails leading right out of downtown Aspen to some of the most breathtaking views in the surrounding mountains. Join us on one of our running trips, push yourself on a guided trail run, or let us help you train for a race.