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Home » About » CMC Groups » Denver » High Altitude Mountaineering Section

High Altitude Mountaineering Section


Membership in the High Altitude Mountaineering Section (HAMS) provides opportunities for Colorado Mountain Club climbers to meet others interested in far away peaks, often involving snow, ice and travel. Section members receive Thin Air , the section's newsletter, five times a year. Thin Air includes information and articles on high altitude mountaineering, including accounts of expeditions, meeting announcements, used equipment sales, and "how-to" advice. Visit the HAMS website at


The section sponsors slide shows of worldwide high altitude expeditions five times a year, the High Altitude Mountaineering School, and additional training opportunities and trips. Each year the section also sponsors several high altitude mountaineering expeditions to destinations around the world.


All CMC members may join the section regardless of classification. The section has an annual membership fee ($7, at publication date), which covers section expenses. To join, send your name, address, and phone number, plus a check made payable to the CMC (for the current amount, with "HAMS" indicated on it), to the CMC office.


CMC Membership Information


Program Night

The Section presents programs in January, March, May, September, and November that feature technical climbing subjects. These programs are open to the public. Please check the Special Sections Events for the announcement of the next program.


HAMS Trips

The section sponsors trips to high mountains around the world for the participation of members. See the Adventure Travel schedule.


Thin Air

ThinAir is produced quarterly by HAMC and is free to CMC members. We are always interested in hearing from you: stories, tips, ideas for articles, articles themselves, comments, critiques, suggestions are all always welcome. Don't be shy. Please send to ThinAir. To sign up to receive ThinAir, please visit here.