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Trans-Sierra Xtreme Challenge

Rated 4.98 out of 5

1 WEEK | 75 MILES | MT. WHITNEY

JULY, AUG, SEPT

Starts in Fresno/Clovis, CA

Join an inspirational trek across Kings Canyon and Sequoia National Parks to the summit of Mt. Whitney (14,505 feet).
Hell For Sure Challenge

Rated 5.00 out of 5

5 NIGHTS | 40 MILES | LECONTE DIVIDE

JUNE, JULY, AUG, SEPT

Starts near Fresno/Clovis, CA

Experience the exhilaration of true wilderness backpacking off-trail routes in a slice of heaven south of Yosemite and north of Kings Canyon.
Tehipite Valley

Rated 5.00 out of 5

5 NIGHTS | 45 MILES | kings canyon np

MAY, JUNE, SEPT, OCT

Starts near Fresno/Clovis, CA

Immerse yourself in the wonder of Tehipite Valley, the most powerful, majestic and remote glacial valley of the Sierra.
Thunder River

Rated 5.00 out of 5

5 NIGHTS | 32 MILES | NORTH RIM

APR, OCT

Starts in Flagstaff, AZ

Discover some of the most breathtaking waterfalls and swimming holes in the Grand Canyon while exploring remote North Rim terrain.
Escalante Route

Rated 5.00 out of 5

3 NIGHTS | 27 MILES | GRAND CANYON

MAR, APR, MAY, SEPT, OCT, NOV

Starts in Flagstaff, AZ

Explore remote slot canyons, scale jagged cliff ledges, and sleep on secluded beaches on a Grand Canyon backpacking experience in a class of it’s own.
The Confluence

Rated 4.67 out of 5

6 NIGHTS | 55 MILES | THE CONFLUENCE

MAR, OCT

Starts in Flagstaff, AZ

Backpack the Grand Canyon to the confluence of the Little Colorado and Colorado Rivers on this Limited Edition experience.
Mount Goddard

Rated 5.00 out of 5

5 NIGHTS | 50 MILES | GODDARD CANYON

AUG, SEPT

Starts near Fresno/Clovis, CA

Stretch the imagination and summit Kings Canyon’s 13,560′ beast on our most physically demanding route, including 10 miles off trail.
Jumpup Canyon

Rated 5.00 out of 5

5 NIGHTS | 32 MILES | grand canyon

mar, APR, OCT, nov

Starts in Flagstaff, AZ

Descend into the deep narrows and slot canyons of the North Rim while exploring remote Grand Canyon terrain.
Grand Canyon Challenge

Rated 5.00 out of 5

3 nights | 25 miles | Grand Canyon

MAR, APR, MAY, SEPT, OCT, NOV

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.

Discover a new kind of backpacking

We enable motivated individuals of all experience levels to backpack awe-inspiring terrain and unplug off the grid while accomplishing something big. Our small-group guided backpacking treks across the Sierra, through the Grand Canyon, and beyond, are team-oriented and easy to join. Just bring your positive attitude, mental toughness, and get ready for an experience that can inspire for a lifetime.

Our backpacking challenges are open to all and easy to join.

All major gear provided.
Permits, checklists, pre-trek support.
Best guides in industry.
Transportation and logistics.
Fresh meals, planned to perfection.

WHAT OTHERS ARE SAYING

Hear from past participants in their own words.

Watch Our 10-Minute Short Film “Thorns & Roses” as Featured in the 2023 Lookout Wild Film Festival

TSX ran it like clockwork.

I have traveled to about 50 countries and have done things like trekking in Nepal, climbing Kilimanjaro, and hiking in the Swiss Alps, and this trip ranks up there along with those as great experiences.

Mike Peters

Tran-Sierra Xtreme Challenge

Can’t help but feel so proud of myself.

Truly an amazing experience that I’ll remember for life. This was my first backpacking trip, and I’ve never carried a 30+lbs pack ever before. Looking back, I cannot believe I completed this challenge and can’t help but feeling so proud of myself.

Isabella Ye

Grand Canyon Challenge

First rate from beginning to end.

I hiked the Grand Canyon with a group of women from who were all participating in #52hikechallenge. Several had never camped or backpacked before. To a person, we all had an awesome time. Great views, challenging terrain and incredible guides.

Monica Calhoun

Grand Canyon Challenge

Truly a once-in-a-lifetime adventure.

If you are looking to explore the Sierra in a way that others rarely do, then sign up for this trip. It will probably be one of the hardest and most rewarding things you will do. The views are spectacular, the food is delicious and TSX has fantastic guides and leaders.

Iain Boltin

Mount Goddard

A profound experience that will enrich our lives.

This hike fulfilled an ambition to climb Whitney that had been burning away at me for six years. TSX led us expertly, always managing expectations. We bonded almost immediately as a team. All of us were able to reach the top of Whitney, despite many of us having doubts.

Steve Adams

Trans-Sierra Xtreme Challenge

Incredible how quickly we became a team.

At some point during our adventure, the 9 of us on the trip became a team, helping each other along the way. Truly great friendships were established, and I look forward to more adventures with the TSX team (family)! It was amazing, even better than anticipated.

Greg Hidalgo

Hell For Sure Challenge

READ MORE REVIEWS

FIND YOUR TREK

Adventure, vacation.

Trans-Sierra Xtreme Challenge

An inspirational trek across the Sierra to Mt. Whitney.

Grand Canyon Backpacking Trips

North and South Rim treks from 3 to 6 nights.

Original Routes

Explore destinations you won’t find in any guide book.

Beginner Friendly Treks

Roughly 1/3 of participants are 1st time backpackers.

Educational Student Treks

Multi-night backpacking experiences for students 13-17.

What We Believe

No matter your age, background, shape or size, we believe you have what it takes to accomplish incredible things. Whether it be summiting Mt. Whitney (14,505′), or sleeping at the bottom of the Grand Canyon, backpacking our nation’s remote backcountry has the ability to change people’s lives. Our trails have had an incredibly positive impact on our family, friends and community. We hope it can have an equally positive impact on you, renewing conviction you can accomplish anything you put your mind to.

Meet Our Team

A warm embrace from the “Mighty Blue” podcast

After two failed attempts to summit Mt. Whitney, Appalachian Trail thru hiker and Hiking Radio Network podcaster “Mighty Blue” Steve Adams connected with TSX co-founder Chris Casado at the suggestion of a listener. Nearly one year later, his third attempt was a success. What was the missing ingredient? Follow his journey to Mt. Whitney on a three part podcast.