Advocating for trails and mountain biking in Boulder, Colorado since 1991


BMA parties and other social events are canceled or postponed until such time as these group activities are deemed safe again.

Get Trail

See Where
to Ride


Join a
Group Ride

Take a
Skills Clinic

Become a
BMA Member

Join or renew!

Trails close to home are helping many of us get through 2020. Support the trails you love by supporting our work, join or renew in October and be entered to win one of ten prize packages!

All The News…

Heil Fire Update

Heil Fire Update

At the Thursday, Oct. 22, 2020 Parks & Open Space Advisory Committee (POSAC) meeting, Boulder County Parks & Open Space Director (BCPOS) Eric Lane and Senior Forestry Resource Specialist Stefan Reinold gave a great update on their initial look at fire impacts to Heil Valley Ranch.

read more
Boulder County Fire Resources

Boulder County Fire Resources

Two major forest fires started burning in Boulder County the weekend of October 17, including the CalWood Fire that burned significant acreage at Heil Valley Ranch.

read more

Join the BMA Community

Join the BMA Community

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from our team.

Thank you for signing up!