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Change Your Altitude

TrekSierra's Story

My name is Liz, and I started TrekSierra to help others experience the breathtaking backcountry in the most supported way possible! My goal is to provide a unique, premium backcountry experience that allows us to reconnect with nature, our loved ones and ourselves! 

What Makes TrekSierra Special

All-Inclusive Service

TrekSierra offers top of the line rentals and equipment, gourmet backcountry meals, full camp set-up, and for those wanting to learn, instruction on Leave No Trace and many other Backcountry Procedures.

Customizable Trek Themes

TrekSierra offers themed hikes to make your trip even more memorable! This is a unique service designed to enhance your trek but never to “crowd” your trek. These customizable theme options are designed to be a relaxing “extra” on your trip- never to overwhelm your group!

Hidden Gem Destinations

TrekSierra offers handpicked unique treks never before advertised. These trails are guaranteed to showcase the best of the region with less crowds! Classic well known trails (such as Yosemite trips and the Evolution Loop) are also included in TrekSierra's abundant collection of trips!



​Liz guided us on a three day drip through the Mammoth Mountains. She is very professional and the entire trip was well planned and thought out. The pace, rest stops and camp sites suited our skills (which were basically none). She taught us how to prepare food, water, bear safety skills as well as to property put up our tents in rainy, high-wind a...

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Conly C.

​"Liz is an outstanding guide. she's patient and helpful and will allow you to achieve your goals!"

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Matt L.

"If you are deciding which company to go with for your backpacking hiking trip, hands down go with Liz (Elizabeth). Liz is absolutely amazing. She took us on the Tuolumne backpacking trip and we did not have to do anything.  Her cooking is absolutely amazing. Just because you are dirty and sitting on the ground does not mean you can't have a great ...

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“To walk in nature is to witness a thousand miracles.”
- Mary Davis

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PO Box 7635 Mammoth Lakes, CA 93546 | 760.923.3550

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