Over the last five years we’ve been fortunate to take our story on the road to REI locations throughout California, educating and inspiring individuals young and old to experience some of the most remote, least traveled regions of our nation’s back country. This year we’ll be crossing state lines. We’ve been invited to talk at…
Zack Fisher started hiking trans-sierra treks to Mt. Whitney while a student at Bullard High School, in Fresno, Ca at the age of 15. With several seasons under his belt, he has been on Mt. Whitney (14,505 ft.) around a dozen times and counting. The last three years he’s been a TSX guide on our…
Starts in Flagstaff, AZ
Trek nearly a mile below the rim backpacking rugged Grand Canyon terrain to sleep and swim on secluded beaches of the Colorado River.
Frequently Asked Questions Joining a Challenge Gear and food On the trail