REGISTER EARLY AND SAVE | PRICES RISE JAN 1ST
07
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21
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08
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47
SECONDS

REI Dublin: Backpacking the Central Sierra

Come explore a slice of local wilderness south Yosemite and north of Kings Canyon. Chris Casado, co-founder of the Hell For Sure Challenge, has spent countless summers camping in secluded lakes basins, crossing high alpine passes, following rushing rivers, and … Read More

REI Dublin: Discover California’s Trans-Sierra Route

Co-founder of Trans-Sierra Xtreme (TSX) Challenge, Chris Casado is passionate about exploring the Sierra backcountry. He has spent countless summers camping in secluded lakes basins, crossing high alpine passes, following rushing rivers, and climbing majestic peaks. Join Chris for a … Read More

REI Dublin

Join Chris Casado and Mike Murphy, co-founders of the Trans-Sierra Xtreme Challenge at REI Dublin for a digital presentation of their favorite trans-Sierra adventure.… Read More

Youth Challenges

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JOHN MUIR PROGRAM | 7 DAYS | 40 MILES
MT. WHITNEY PROGRAM | 9 DAYS | 75 MILES
JUNE, JULY, AUGUST

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2018 Trans-Sierra Xtreme Challenge Participant Cheat Sheet

2018 Participant Cheat Sheet (Trans-Sierra) Welcome! We’re excited to kick-off our 2018 Trans-Sierra Xtreme Challenge treks with you! This summer we’ll be organizing three public outings running from late-July through early-September. On this page you’ll find important information about gear … Read More

That. Was. Fun.

2016 Trans-Sierra Xtreme Challenge recap To the participants and volunteers who contributed to our 2016 Trans-Sierra summer treks, thank you for making this summer among our most memorable.  Our 3 teams, pictured above and below, ranged from 14 to 74 … Read More

Join us at an REI near you

Tomorrow we begin a series of 19 talks at REI locations throughout California dedicated to motivating and inspiring individuals of all ages to set and reach ambitious goals like summiting Mt. Whitney, or hiking to the bottom of the Grand … Read More

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