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Volunteers are the heart and soul of the STA. 
We specialize in making trail maintenance a fun and safe way to give a little something back to the trails we love to hike, bike, walk, ride and run.

STA is partnering with Cascade Volunteers and Better Impact to organize our volunteer work. Please use the link below to let us know your volunteer interest or to record your volunteer hours.  Volunteers who give 18 or more hours of time in a year will receive a complimentary Northwest Forest Pass.

Sisters Trails Alliance

P.O. Box 1871

Sisters, Oregon 97759


Sisters Trails Alliance is a 501(c)3 nonprofit organization

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