Maintain and repair trails focusing on safety,
resource preservation and equitable access.

Mount Diablo Trails Alliance volunteers

Building a Shared Stewardship model with California State Parks, we promote Dig Day opportunities within
Mount Diablo State Park.

Secret Trail volunteer site and repair tools

Subscribe to our
e-newsletter for
Dig Day alerts, recaps and schedule updates.

We welcome all trail user groups and individuals to help us build a sustainable, impactful Shared Stewardship model with California State Parks.