Contact and Membership Information

CMC Boulder Clubroom

The Clubroom was permanently closed on June 30, 2017; but we are still in operation, and will continue to offer classes, lead trips and hold Council meetings as normal. Please use our contact information below to reach us.
Colorado Mountain Club, Boulder Group
PO Box 3777
Boulder, CO 80307-3777
To Volunteer or contact us for more information:
Local: 303-279-3080
Toll Free: 800-633-4417
E-Mail: Web Form
Web Site:


if you move, or your phone or email changes, you can update your membership information at the state web site.