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Take a mountaineering course to become a confident, dependable partner so you can enjoy climbing to the summit.

A rock climber leans into an open corner and looks for the next handhold on a climbing technique coaching lesson.

Find a course or climb that fits your schedule or travel plans to Colorado.

A guided group headed through the Boulder Field with the Diamond looking in the back drop

Leave the crowds behind and tick a few summits off of your bucket list. Reserve a guide to get past your blocks and have fun nailing your goals.



The mountains have a profound ability to make us feel alive. Colorado Mountain School exists to share the power of the mountains with adventurers who want to learn and explore. Our family of climbing and skiing professionals is dedicated to mountain experiences that are educational, fun, challenging, and life-changing at times.

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About Colorado Mountain School

Colorado Mountain School was founded in Estes Park, Colorado in 1981. Since then we’ve built a reputation on tens of thousands of days skiing, climbing, mountaineering, and teaching in our backyard—the spectacular Colorado Rockies—and across the globe in other world-class mountain ranges. Our team is highly trained and curates internationally respected courses and trips. CMS is Colorado’s largest mountain guide company, an accredited guide service of the American Mountain Guides Association, and the country’s #1 AIARE avalanche course provider.

What Sets Us Apart?

We believe that what you accomplish is less important than how you accomplish it. We value Challenge & Adventure, Community, Professionalism, Quality of Life, and The Environment.

Our Guides

Colorado Mountain School is accredited by the American Mountain Guides Association and employs professional guides and educators that are trained and certified by the AMGA and are eager to share their experience in the mountains.


At Colorado Mountain School, we are incredibly fortunate to live and work in some of the most beautiful and delicate settings in the country. We strive to make a lasting impact to preserve the beauty and integrity of our natural surroundings.

Colorado Mountain School has zero tolerance for racism or discrimination in any form. We are committed to providing an inclusive and welcoming environment for all our clients, staff, partners, and the community at large.​

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