Latest News

7 Sep

Downieville Summer Epic with Specialized

Of all the events SBTS puts on, our personal favorites are the Spring and Summer Epics. The Epic weekend is our opportunity to say thanks to SBTS Core and...
24 Aug

5 Bucks a Foot Nets More Than $79,000 for Lost Sierra Trails

Thanks to our long-time partner, Santa Cruz Bicycles, we were able to raise $79,118 in this year’s 5 Bucks a Foot!   For 25 years, Santa Cruz...
28 Jul

Riding Downieville on eBikes

Last week the Stewardship and Yuba Expeditions hosted Fox Factory, Shimano and Pivot Cycles, bringing an entire fleet of Shuttle electric mountain bikes to...
23 Jul

Patagonia and Sierra Buttes Trail Stewardship Expand Partnership

Sierra Buttes Trail Stewardship (SBTS) today announced an expanded partnership with Patagonia, Inc., including environmental support grants, employee volunteer...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

Sep 29 / early -> late! Quincy, CA - The Lost Sierra

Grinduro – September 29

A New Kind of Bike Race Voted “Event of the Year” by the Design and Innovation Awards committee, the unique format of Grinduro combines the best elements...
Oct 12 / 8am - 5pm Graeagle, CA

Lakes Basin Trail Daze – October 12

Project Overview Volunteer workday project focus will be on the Lakes Basin trails. Volunteers will help the SBTS crew maintain Lakes Basin trails. The hike...

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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