Expanding Backcountry Adventures in 2020!

Are you interested in experiencing the Lost Sierra on a whole new level and reaching places you’ve never been?!  We have what you need to get there: the all new 27.5” Santa Cruz Heckler ebike!  This video produced by Santa Cruz Bicycles, a long standing partner of SBTS, features our Executive Director, Greg Williams and Trail Whisperer, Kurt Gensheimer who talk about our Connected Communities vision and the Lost Sierra Trails Master Plan to bring 300+ miles of trail to the region.

Latest News

28 Jan

Sierra Buttes Trail Stewardship is applying for CA OHV Grants

Sierra Buttes Trail Stewardship is applying to CA OHV to perform maintenance on the Downieville Trail System. For more information on this project head...
20 Jan

Lost and Found Gravel Grinder Registration Opens January 20

One of America's top gravel events expands for 2020 Celebrating its seventh anniversary of taking adventurous cycling souls through the remote and rugged...
29 Nov

SBTS Announces Mountains to Meadows

Sierra Buttes Trail Stewardship Announces Mountains to Meadows The “Original Gravel Enduro” expands with a new name and more good times with good...
12 Sep

NorCal Trail Stewardship Camp: 2019 Recap

We are pleased to share this story from Vanessa Hauswald, Executive Director of the NorCal High School Cycling League, about the summer camp we do in...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

Feb 3 / 5:00 PM - 7:00 PM Yuba Expeditions 550 Crescent St, Quincy, CA 95971

Quincy Community Meeting

SBTS is looking for community input and feedback on future, potential projects.  We've finished the flagging for Mt Hough Phase II and are in the final stages...
Apr 18 / 8AM - 3PM Quincy, CA

Quincy Trail Daze – April 18, 2020

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

Annual Mountain Epic – May 15-17, 2020

Join SBTS on May 15th-17th, 2020, in celebration of our annual 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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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.

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

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