Building More Fun Trails

We dig trails!

Building More Fun Trails

We build and improve multi-use trails across Boulder County. Our trail building events typically take place on weekday evenings and weekends from April to September of each year.

The City of Boulder, the County of Boulder, and the Forest Service recognize BMA as a committed partner thanks to our trail building expertise and the thousands of volunteer hours we donate.

Check out our full schedule of trailing building events – and sign up to join us!

Upcoming Trail Building

There are no upcoming events at this time.

OUR CURRENT PROJECTS

WEST MAGNOLIA

After years of partnership with the Boulder Ranger District, a $30,000 planning grant, and a ton of hard work, the US Forest Service (USFS) has approved an expansion of trails around the Nederland area that is on scale with Buffalo Creek. We are about 65% finished with Phase 1 (out of 4) of this project. This new system includes:

  • 44+ miles of new trails
  • 20+ miles of reclaimed user-created trails
  • New restrooms and expanded parking
  • Future potential to connect trails to Winter Park
  • Ride from Nederland
  • Improved signage and mapping

Heil & Betasso

BMA continues to work with Boulder County Parks and Open Space to build and improve the trails at Betasso Preserve and Heil Valley Ranch. In 2019, BMA will help put the finishing touches on the Schoolhouse Skills Loop, a new trail specifically for beginners to be able to hone the skills needed on the trail with alternate lines and obstacles specific to bikes. BMA will also help maintain and improve other trails at Heil and the Betasso Link Trail.

Marshall Mesa

BMA is partnering with the City of Boulder Mountain Parks and Open Space to improve the trails at Marshall Mesa. In 2017 and 2018, BMA improved over a mile of High Plains trail by taking it out of a drainage ditch and adding fun berms and bumps. In 2018, BMA also worked on Doudy Draw to eliminate trail braiding and added several A/B alternative rock lines. This year, BMA will continue to improve Doudy Draw and start improvements to Coal Seam.

Brainard / South St.Vrain

In 2018, BMA fixed the eroded section on S. St. Vrain and turned it into a super fun gnarly armored downhill line. We’ll continue to work on trails in the Brainard area as the opportunity arises.

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