Jonathan Cahill

Jonathan Cahill

Guide: Washington

Jonathan Cahill grew up in San Mateo, CA making weekend trips to Lake Tahoe where his love for the mountains began. Growing up he also enjoyed surfing and at the age of 17 he began providing water rescue to Mavericks Surf Contest athletes. His heli-snowboard trip in Alaska ignited his passion for winter sports and led him to working for Shasta Mountain Guides for over 5 years. In the winter he is a full-time Ski Patroller for Squaw Valley and has traveled to Australia and Alaska to patrol and guide throughout the season.

Significant Ascents

Mt. Rainier
Mt. Hood
Mt. Shasta
Thunderbolt-Mount Sill Traverse
Mt. Whitney
Mt. Williamson
Mt. Langley

Certifications

WFR/CPR
Avalanche Level 2

ALPINE ASCENTS BLOG

  • The Notebook: When should I climb Rainier?

    Alpine Ascents climbs Mount Rainier from May through September. We are often asked which dates to choose, so here we break down the merits of each month. Mount Rainier’s Climbing Season(s) Mount Rainier can be climbed year-round. For climbers willing to adventure, even the more challenging shoulder seasons can provide interesting climbing or skiing. A […]

  • Hardshells: Waterproof Pants & Jackets

    Why do we use full-zip hardshell pants for alpine climbing? What exactly are hardshells, anyway? What features are important in hardshell jackets or pants? Why is it important not to bring half or quarter-zip hardshell pants into the high mountains? Here we answer some common questions with a few anecdotes and a few unavoidable facts. […]

  • Food Planning for Mountaineering, Part 2: Breakdown

    Welcome to Part 2 of our Food Planning for Mountaineering blog series. This post will breakdown the mysteries of building a proper meal plan for backcountry travel. Whether you are headed out on an overnight trip or a week-long expedition, you should be able to pick up some helpful tips and meal ideas as we […]

Partners & Accreditations

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