Latest News

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...
6 Apr

Feels Like Spring – Trailwork Report

The crew has been working steady on Halls Ranch and Fiddle Creek Ridge for the last couple of weeks. The focus has been brushing, log out and widening really...
14 Mar

We Need Your Comments For Downieville and Quincy Trailwork

We have applied for 2 Ground Operation grants this year and need your comments to CA-OHV on both so we can receive the grants and continue trail maintenance...


Miles of New Trail Built


Miles of Trail Maintained


Trail Volunteers Hours



Upcoming Events

Jun 30 / 8am - 3pm Downieville, CA

Downieville Trail Daze – June 30

Project Overview Come help Sierra Buttes Trail Stewardship on the new Downieville Classic XC route! This trail is on the Sierra Crest and 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...
Aug 24 - Aug 26 / 7am - 2pm Sunday Downieville, CA

Downieville Mountain Epic – August 24-26

A weekend of fun camping, riding and trailbuilding, August 24-26 . Join us for our Downieville Epic Weekend, where all the food and beer is covered for...
Sep 8 / 8am - 3pm Quincy, CA

Quincy Trail Daze – September 8

We are proud to partner with the Mount Hough Ranger District on this special project. The folks in this district understand the importance of more trails and...
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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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