Latest News

10 Feb

Notice of Downieville and Qunicy Trail Grant Application

The Sierra Buttes Trail Stewarship is applying for two California OHV grants for Downieville and Quincy: Maintenance on 56 miles of the Downieville Trail...
8 Feb

9 Miles of Community Building – The Story of Mills Peak Trail

What started in 2007 as a dream to construct a 9-mile multi-use singletrack trail with 3,000 vertical feet of elevation came to its full realization on January...
31 Jan

Sierra Buttes Trail Stewardship Impact Report 2017

2017 Was a Hell of Year! Check out what we did in 2017, who we worked with, who we are reaching, our financial health and our look to the future. Believe in...
17 Jan

Mills Peak Finished: Old Wobbly, Falconer and Local Volunteers for the Win

Callused hands, burnt shoulders, fatigued backs and yet the SBTS crew builds on into the winter. To say that trail building beats up the body is an...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

Mar 24 / 8am - 5pm Downieville, CA

Downieville Trail Daze – March 24

Project Overview Come help Sierra Buttes Trail Stewardship dig on North Yuba, 1st Divide, 2nd Divide, and 3rd Divide! Anyone can help out and no...
Apr 27 - Apr 29 / 7am- 2pm Quincy, CA

Quincy Mountain Epic – April 27-29

Join SBTS on April 27th-29th in celebration of our Spring Epic Weekend in Quincy, where all the food and beer is covered for our beloved SBTS Members! The...
May 19 / 8AM - 3PM Graeagle, CA

Mills Peak Trail Daze – May 19

Come help Sierra Buttes Trail Stewardship dig the new Mills Peak Extension! Where: Meet at the corner of Gold Lakes Highway and CA-89. We will be on the...
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...
1 2 3

Become a volunteer

Icon Heading

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.

See more

Attend an Event

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

See more

Join Our Tribe

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

See more