Lost Coast Challenge
3 NIGHTS | 25 MILES | KING RANGE
spring, summer, fall
Starts near San Francisco, CA
Explore one of the most rugged and remote sections of coastline in Northern California backpacking the Lost Coast Trail.
Starts near San Francisco, CA
Explore one of the most rugged and remote sections of coastline in Northern California backpacking the Lost Coast Trail.
Starts in Flagstaff, AZ
Descend into the deep narrows and slot canyons of the North Rim while exploring remote Grand Canyon terrain.
Guide Resources Welcome! This page contains helpful resources as you prepare to lead an upcoming trek with TSX. You’ll find links, videos, PDF files and more, some of which can be saved to your phone for quick reference each morning throughout your trip. Here are a few things to remember about the culture you’ll be…
Join us to explore the rugged beaut of the Big Sur and the hidden gems inside Los Padres National Forest.
Learn more about our new summer youth programs for environmental studies and outdoor leadership.
Raw, powerful, majestic and wild, let us introduce you to Tehipite Valley.
Between the challenges of COVID and the California fires, we’re incredibly thankful for the Sierra and Grand Canyon backpacking experiences we we’ve been able to offer this year (view team pictures here!). We have an exciting 2021 trek schedule, and now is a great time to start planning a new adventure. Below are a few updates about…
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.
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.
It was my wife Stephanie who discovered TSX Challenge. She sent me a link to the Website. I should have paused. The “X” stood for “Xtreme.”
Learn more about California’s Bull Run Lake, above Arnold off Highway 4.