Original Routes

Get to the places that most have never heard of, and others only dream of.

  • Kings Canyon National Park

    Tehipite Valley

    6 days | 45 Miles

    MAY, JUNE, SEPT, OCT

  • John Muir Wilderness

    Hell For Sure Challenge

    6 days | 40 Miles

    JUNE, JULY, AUG, SEPT

  • Kings Canyon National Park

    Mount Goddard

    6 days | 50 Miles

    Aug, Sept

  • Crossing the Colorado River by Raft on Grand Canyon Rim-to-Rim backpacking trek.

    Grand Canyon North and South Rims

    Rim-to-Rim Xtreme Challenge

    6 days | 24 Miles

    May, Sept, Oct

  • Grand Canyon North Rim

    Jumpup Canyon

    6 days | 32 Miles

    Mar, Apr, Oct, Nov

  • Yosemite National Park

    Triple Divide Challenge

    6 days | 48 Miles

    July

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Welcome REI adventurers

For a limited time, we’re offering a $200 REI gift card to new participants who join one of our 2025 backpacking experiences. With REI Adventures now closed, we invite you to join us at TSX Challenge. Here’s how it works:

1. Find your trek
2. Use coupon code “REI” at checkout
3. Make $500 deposit by Jan 30th

The $200 gift card will be issued to you 60 days before your trek start date via email. Trek must be paid in full prior to issuance. This offer may not be combined with other offers. Promotion ends January 30th, 11:59pm.