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Latest News

22 Jan

The Farm and Klean Kanteen Receive Volunteer and Partner of the Year Awards

In addition to blood, sweat and tears, the Sierra Buttes Trail Stewardship (SBTS) is fueled by passion and volunteerism, for without good people who give their...
26 Dec

Fall Trailwork Report

The new Indian Falls Ridge Loop Trail November has kept the crew really busy on the trail. We finally completed the construction and maintenance of the...
19 Dec

Yuba Expeditions Donates $12,835 to Sierra Frontier Medical Resources

Downieville Fire Ambulance. Photo Credit Mary Davey If you rode a Yuba Expeditions shuttle in 2018, you were part of something very special – helping fund...
20 Nov

Five Kids Earn New Santa Cruz Chameleons

After winning Five Bucks a Foot, the annual Sierra Buttes Trail Stewardship fundraiser for trails, Michael Knighten of San Francisco was rewarded with his...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

Nov 14 / 6:30 PM - 9:30 PM Quintopia Brewing

Quincy Night of Dirt Magic

Community Trails Benefit Halloween will be over, but the Dirt Magic will continue. Lost Sierra Locals and out-of-towners are invited to join SBTS on Thursday...
Apr 18 / 8AM - 3PM Quincy, CA

Quincy Trail Daze – April 18

Project Overview Volunteer workday project focus will be on trail work on Mt. Hough. Volunteers will help the SBTS crew with trailwork. Anyone can help out...
May 15 - May 17 / 7am - 2pm Quincy, CA

Quincy Spring Mountain Epic – May 15-17, 2020

Join SBTS on May 15th-17th, 2020, in celebration of our Spring Epic Weekend in Quincy, where all the food and beer is covered for our beloved SBTS...
Jun 6 / 6:30 AM - 3:00 PM Portola, CA - The Lost Sierra

Lost and Found Gravel Grinder: June 6, 2020

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...
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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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