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Specialties
CMS is the largest guide service in Colorado and has more AMGA certified guides than any other guide service in the state. We remain the exclusive climbing concessionaire for Rocky Mountain National Park and have developed the most complete outdoor climbing curriculum in the United States. Our offerings range from one-day courses such as Intro Rock Climbing and Big Wall Clinic, to multi-day courses such as our three day AIARE Level 1 course and our five day Rock Climbing Development Series. In addition to our myriad courses, we guide rock, ice and mountaineering throughout the Colorado Front Range and internationally.
OUR MISSION
To provide unparalleled customer service and world class climbing and skiing instruction, while setting the standard in professional guiding.
History
Established in 1877.
CMS, under various names, has been guiding continuously in Colorado since 1877, and has been Rocky Mountain National Park’s exclusive technical climbing concessionaire since the Park’s creation in 1915. Mike Donahue purchased the company in 1981 and gave it its present name. John Bicknell, the Colorado Mountain School’s owner, purchased the business in 1999. John guides numerous days a year, is an American Mountain Guides Association Certified Rock Guide, Alpine Guide, and Guide Trainer.
Meet the Manager
Mark H.
Manager
Senior Guide/Head Guide
Since he started guiding here in 1997, Mark has used his calm, composed style and rock-solid skills to provide motivated clients of all skill levels with unforgettable climbing experiences. He’s guided classic routes in Eldorado Canyon and RMNP as well as climbs in Bolivia, Ecuador, Mexico (he speaks Spanish) and on Kilimanjaro. Though he loves climbing anywhere, his favorite destination is probably the Utah desert, where he guides many of our trips, from tower ascents to lead and aid climbing clinics. Mark has more than a dozen years of experience in the desert and over 100 tower ascents, including several first ascents.
Originally from the flatlands of Iowa, after moving to Boulder he noticed people climbing on the cliffs of Boulder Canyon. «THAT is what I want to do,» he immediately said to himself. He now walks to some of the finest climbs in the country from the front door of his home in Eldorado Canyon.
In addition to guiding, he helps oversee technic