Eastern Sierra is Home

Our amazing team has climbed and travelled all over the world, but love being in the Eastern Sierra.  We enjoy nothing more than introducing a new generation of climbers and hikers to this wonderful place and teaching our students how to climb safely and recreate responsibly.

Our team

Meet our team of amazing guides.

Amy Jo Ness

Founder & Guide

Amy is the founder of Whitney Base Camp & Climbing School. She has been dubbed by John Long as “the high priestess of the High Sierra” and strives to live up to the title. Living in the area for more than a decade, Amy has spent thousands of hours exploring all the hidden gems the area has to offer.


Miranda Oakley

Assistant Guide

Miranda grew up in Maryland and has been passionate about rock climbing since she started in the climbing gym as a teenager. Less than a week after graduating in 2006 with degree in International Studies at St. Mary’s College of Maryland, she packed up the little gear she owned and made her way out west to work and live in Yosemite National Park.


Aaron Jones

Assistant Guide

Aaron has been a guide in Yosemite for many years, taking both beginner climbers on single pitch climbs and helping seasoned climbers reach their goals of climbing big-walls.

More About Amy

With over twelve years’ experience climbing and mountaineering, Amy has climbed some of the biggest rock walls in the world, including El Capitan and all three towers of Torres Del Paine. Her passion is for exposing others to the wonders of the Sierra, and especially loves teaching the complex systems we use to climb. Climbing both rock and snow, establishing first ascents on large rock walls, backpacking, and trail running are part of her everyday life. She has training from AIARE, the American Mountain Guide Association, and is a Wilderness First Responder. Amy also does media rigging, stunt doubling and scouting for projects such as, Django Unchained, Running Wild with Bear Grills, Netflix, Epic TV, and GRIPPED: the movie.

More About Miranda

Throughout her time in Yosemite and other world-renowned climbing destinations, she has grown to become an expert in traditional free climbing and an elite technical big wall climber. Miranda has climbed Yosemite’s El Capitan over 20 times. In 2014, she climbed the Regular Northwest Face of Half Dome and The Nose of El Capitan in less than 24 hours. In 2016, she became the first woman to rope solo the Nose in less than 24 hours. She has done first ascents in Patagonia, the High Sierra of California and the Coastal Range of British Columbia in Canada. She loves pushing the limits of traditional free climbing, onsighting up to 5.13 on gear.

Miranda is a certified Rock Guide through the American Mountain Guides Association and Wilderness First Responder and is bilingual, fluent in Spanish and English. Outside of climbing, her passions include writing, traveling and sharing climbing with others.


More About Aaron

Climbing since 2001, in Yosemite since 2003. Aaron is an AMGA certified Rock Guide. Accomplishments include 40 ascents of El Capitan and over 70+ big wall ascents. Solo ascents of Nose on El Cap in 20 hours and Zodiac route in under 13 hours. Extensive alpine experience including solo ascents of Torres del Paine in Chile.  While his climbing resume is extensive, his laid-back attitude and joy of fishing, hunting, and just being in the mountains is what keeps him happy in the guiding world, and in life.



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