Latest News

18 May

New Non-Profit Partnership with Klean Kanteen

The Sierra Buttes Trail Stewardship (SBTS) today announced a new non-profit partnership with Klean Kanteen, a Chico, Calf. based manufacturer of the original...
14 May

Peter Sagan rides the Historic Boca & Loyalton Trail

Photo above: Peter Sagan has some skills! (by: Craig Huffman/Bike Monkey) Two weekends ago the inaugural Sagan Dirt Fondo was held in Truckee, California....
24 Apr

The Next Evolution

Three weeks ago the Stewardship took our #dirtmagic show on the road, attending the 2nd Annual Mountain Ventures Summit (MVS) in Telluride, Colorado. MVS is a...
14 Apr

Reconnecting Downieville and Quincy by Trail

Downieville is our roots, it's where everything for SBTS and Yuba Expeditions began more than 25 years ago. Quincy is where SBTS has grown most over the last...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

May 19 / 8AM - 3PM Graeagle, CA

Mills Peak Singletrack Extension Grand Opening Trail Daze – May 19

We are beyond excited to announce that after the March Miracle winter, the new Mills Peak Singletrack Extension is ready to roll! So, we thought we’d throw a...
Jun 2 / 6:30 AM - 3:00 PM Lake Davis, CA - The Lost Sierra

Lost and Found Gravel Grinder: June 2, 2018

30 mile, 60 mile and 100 mile epicly beautiful bike ride. A perfect blend of pavement, dirt road, gravel road and historic railroad grade. The route is 100...
Jun 30 / 8am - 3pm Downieville, CA

Downieville Trail Daze – June 30

Project Overview Downieville Divides trails and possibly the North Yuba Trail. Anyone can help out and no experience is required. This Trailwork day is...
Aug 2 - Aug 5 / early - late! Downieville, CA

Downieville Classic Mountain Bike Race – Aug 2-5, 2018

Come to prove yourself, or just come to have fun. All Mountain World Championships Cross Country Adventure Race Downieville Downhill Race...
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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.

3 Ways to Get Involved

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

Ride with Us

Since 1991, Yuba Expeditions has been shuttling riders on adventures in Downieville.

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Attend an Event

Attend our next Trail Daze, Mountain Epic, the Downieville Classic, Grinduro or Lost and Found.

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Join Our Tribe

Join today as a Core or Annual Member to support trails and access our exclusive membership perks.

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