The Sisters Trails Alliance is a volunteer organization dedicated to envisioning, building, maintaining and promoting a non-motorized, 

multi-user community trails system.

Upcoming events

  • No upcoming events


Highway 242 (also known as the Mckenzie Pass Scenic Bikeway) is closed due to damage done by the Milli and Nash Fires. Continued closure of Highway 242 will be in place while forest, fire and ODOT officials work together to remove danger trees from the roadside.

Whychus Creek Portal Trail and the PRT Extension trail are re-opened. STA will have a work day to do clean up on the PRT extension and reroute.

Get Involved!

The Sisters Trail Alliance is always looking for individuals passionate about trails and people who want to see Sisters' Trails developed responsibly. Become a member and support trail projects by helping fund trail work or by volunteering your time to build trails and help form the vision of Sisters area trails.

Join us


Please report your volunteer hours here, High Cascades Forest Volunteer Work Report Form.

Sisters Trails Alliance is a non-profit organization, whose mission is to connect people and communities to each other and their natural surroundings. The organization maintains the Peterson Ridge Trail System, hosts an annual speaker series and supports various trail-related activities and events throughout the year.  P.O. Box 1871, Sisters, Oregon 97759, 541-719-8822

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