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John Collis

John Collis

Guide: Washington, Alaska, International

Since discovering a passion for climbing while getting his Bachelor’s degree in Geology at Colorado College, John has spent time traveling and climbing across parts of Africa, the Andes, Southeast Asia, Canada, the Rockies, and the Cascades. When not in Washington, John calls Moab, Utah his home and can be found exploring its canyons and desert towers.

Guide For:

Aconcagua

Significant Ascents

Mt. Rainier
Forbidden Peak
Dragontail Peak
Zodiac, El Capitan
Mt. Proboscis and Lotus Flower Tower, Cirque of the Unclimbables
The Grand Traverse, Tetons

Certifications

WFR/CPR
AMGA Single Pitch Instructor
AMGA Rock Guide
AIARE Level II

amga-spiamga-rock

Outstanding trip! It was everything I had hoped it would be and more. All the guides were terrific. While personally, I have climbed a lot of technical peaks I found the guides handling of the broad range of experience levels to be excellent. The quality was so good, that I will be giving serious thought to climbing with your group in the Himalayas.

More Testimonials

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  • Guide Spotlight: Dawa Yangzum Sherpa

    While Alpine Ascents is fortunate to work with dozens of world-class guides and climbers, we are especially grateful to work with Dawa Yangzum Sherpa. Hailing from Nepal’s Rolwaling Himal, Dawa’s resume includes numerous 8000m ascents (Everest, Cho Oyu, K2), successful entries in high-altitude ultra-marathons, time spent as a climbing ranger on Mount Rainier, and instructorship […]

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Alpine Ascents International is an authorized mountain guide service of Denali National Park and Preserve and Mount Rainier National Park.
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