Summer 2025

  • TSX Challenge team on summit of Mt. Whitney with banner.

    Sequoia & Kings Canyon National Parks

    Trans-Sierra Xtreme Challenge

    1 Week | 75 Miles | July, Aug, Sept

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  • Mount Goddard

    Kings Canyon National Park

    Mount Goddard

    6 days | 50 Miles | Aug, Sept

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  • Triple Divide Challenge

    Yosemite National Park

    Triple Divide Challenge

    6 days | 48 Miles | July

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  • Kings Canyon Discovery Challenge

    Kings Canyon National Park

    Kings Canyon Discovery Challenge

    4 days | 19 Miles | July, Aug, Sept

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  • Orinda Girl Scouts 3-Night Kings Canyon Backpacking Trek

    Orinda Girl Scouts 3-Night Kings Canyon Backpacking Trek

    $850.00

    Recharge enjoying high Sierra lakes and exploring rugged terrain in a remote section of Kings Canyon National Park.

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Bring friends and save

Every new year deserves a new goal, and we’re making it easy to set a new goal with the whole crew. For a limited time, book a 2026 TSX Challenge trek save and up to $1000 when you sign up together. The more friends you bring, the bigger the adventure and the savings:

2 Hikers: Save $100 each
3 Hikers: Save $150 each
4 Hikers: Save $250 each

No need for a promo code; discounts apply automatically as you add participants to your booking, and reduce the deposit due today. Trek availability is limited.