Dirt Magic 2024 Events Calendar

Join Us for Fun in the Mountains!

Come help us make Dirt Magic in the Lost Sierra! We have a season full of fun on tap this year—mark your calendars to join us at any (or all!) of our events. Registration is currently open for both Lost and Found Gravel Race and Downieville Classic including a whole host of volunteer opportunities at both. You can also sign up for our first volunteer epic weekend of the year, May 3rd – 5th. We hope to see you out there!

Win this Husqvarna FE 350s 5 Bucks a Foot trail building fundraiser

5 Bucks a Foot Twist The Throttle For Trails

More Trails For Motos = More Trails For Everyone.
Help support our mission to build more shared-use singletrack trails in the Lost Sierra and get a chance to win a brand-new Husqvarna FE350s plated dual-sport bike! Step inside and check out the new trail projects we are currently working on.

Connected Communities

We are planning trails to connect towns in the Lost Sierra, check out this epic plan!

A Trail For Everyone

Watch Our Beautiful Short Film “A Trail for Everyone”

We’re thrilled to launch a short film about Connected Communities, the proposed “Lost Sierra Route” and the positive impact of linking 15 California mountain communities through trails.

Latest News

24 Jan

Comments Needed for 2024 Downieville and Quincy Trailwork

Sierra Buttes Trail Stewardship (SBTS) has applied for a project grant this year and needs your comments to CA-OHV on both so we can receive the grant and...
17 Jan

The 2023 SBTS Trails Report: 20 Years, 200 Miles of Trail Built and More Progress On the Way!

In 2023, SBTS staffed three Pro Trail crews—one based in Downieville, one in Quincy and one in Portola/Greagle—employing 24 crew members, as well as a...
16 Jan

$5 a Foot Has Ended, Thank You to Everyone Who Contributed to Trails!

We have a winner! Congratulations to Aubree Watkins, who takes home the grand prize in our 2023 Twist The Throttle for Trails moto fundraiser—a KTM Freeride...
8 Nov

The Downieville Classic RETURNS July 11-14, 2024 for its 26th Year

Sierra Buttes Trail Stewardship’s marquee race returns for its 26th year next summer, furthering the organization’s mission to build sustainable,...

Upcoming Events

May 15 - May 18 / Early - late! Quincy, CA

Quincy Volunteer Epic – May 15 – May 18, 2025

Jun 12 - Jun 15 / early to late! Portola, CA - The Lost Sierra

Lost and Found Gravel Grinder: June 12 – 15, 2025

Jul 10 - Jul 13 / early to late! Downieville, CA

Downieville Volunteer Epic – July 10-13, 2025

Aug 7 - Aug 10 / early - late! Downieville, CA

Downieville Classic Mountain Bike Race – August 7-10, 2025

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What We've Accomplished

195

Miles of New Trail Built

2,560

Miles of Trail Maintained

131,052

Trail Volunteers Hours

43

Employees in 2024

3 Ways to Get Involved

Join the family, do good work and have a load of fun, our members provide a crucial backbone to our organization.

Join The Family

Become a Friend of the Trail Stewardship with a donation to our trail projects.

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Sponsor A Trail

The Adopt-A-Trail Program provides a way for businesses and individuals to take a leadership role in trail maintenance.

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Partner with Us

Our partners are essential stakeholders and directly responsible for our non-profit’s success.

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Become a volunteer

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Volunteer at a Trail Daze or one of our races. Contact us if you would like to volunteer other skills or services.

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We promise not to spam you, we just want to pass on the building trails stoke and enjoying the Lost Sierra.