Yosemite Xtreme Hike
Every Xtreme Hike participant is driven by a dream that all people with cystic fibrosis should have the chance to live a long, healthy life. By joining us at Yosemite Xtreme Hike, you can help make a difference for people living with CF.
At Yosemite Xtreme Hike, hikers are supported by trained hike guides from YExplore, leading them safely throughout the trail from beginning to end. You can expect breathtaking views, a wealth of knowledge from your guides, to meet new friends, and to share stories on the trail. You will be supported and encouraged in making it to your personal summit - all while fundraising to find a cure for cystic fibrosis.
2026 Trail Options:
Option 1: 19 miles & 3,500 ft elevation gain
This adventurous route begins on May Lake Road and winds around the sparkling shores of Tenaya Lake before following the peaceful Murphy Creek Trail through lodgepole pine forests. From there, the path connects to the May Lake Trail, leading to the serene alpine waters of May Lake, nestled beneath towering granite cliffs. The journey's highlight is the climb to Mt. Hoffman, the geographic center of Yosemite, where hikers are rewarded with sweeping 360° views of Half Dome, Yosemite Valley, and the Sierra Nevada. After soaking in the summit panorama, the route descends back to May Lake and retraces the trail to the starting point, offering a perfect blend of lakeside beauty, forest tranquility, and high-country grandeur.
Option 2: 10 miles & 2,800 ft elevation gain
This rewarding hike begins on May Lake Road and follows the May Lake Trail through tranquil pine forests to the shimmering alpine waters of May Lake. From here, a spur trail leads to the summit of Mt. Hoffman, the geographic center of Yosemite, offering breathtaking 360° views of Half Dome, Yosemite Valley, and the surrounding Sierra peaks. After soaking in the panoramic vistas, retrace your steps back to May Lake and return to the trailhead, making this route a perfect choice for hikers seeking a shorter yet unforgettable high-country adventure.
Fundraising
When you register to participate in Xtreme Hike, you are committing to reach the suggested fundraising goal of $2,500. We hope that you will exceed this goal and are available to assist you in succeeding in your fundraising and training!
Xtreme Hike Experience
Your Xtreme Hike experience will include the following:
- Xtreme Hike shirt & medal
- Professional hike guides from YExplore to lead you on the trail
- Lodging at Rush Creek Lodge and Spa at Yosemite in Groveland, CA
- Dinner on Friday, October 16th
- All meals for Saturday, October 17th
- Celebration breakfast on Sunday, October 18th
To have the best experience possible, we ask that every hiker takes the time to prepare physically and that you are willing to commit to raising the fundraising minimum, or more, for the cause. Every dollar raised supports our mission to provide adults and children with CF in the U.S. a better chance at living a long, healthy life.
How to Participate:
Register: Join us for a day of celebration, community and fun! Let's unite to bring hope and joy to those affected by CF and work towards a future where everyone can breathe easier. Click the “Register” button.
Recruit: Invite friends, family, and colleagues to join you. Together, we can make a bigger impact.
Fundraise: Fundraising is easy. Use the participant center, the CFF mobile app, or fundraise on Facebook to reach your goal. You can also host a passion fundraising event and check if your employer offers a matching gift program to increase the impact of your efforts.
Share your story: Your story matters! Share why you’re participating in Xtreme Hike and inspire others to join. Use the tools in the participant center and on the mobile app to easily tell your story!
Thank you for your efforts to raise awareness and funds so that we can get one step closer to curing cystic fibrosis. Your participation is critical to advance our mission, and now is the time to act. Sign up today to take steps towards a cure for cystic fibrosis!
