Activity Notes

Please join us to clean up the trails around Timberline Lodge on Saturday September 26th, 2026 from 8 AM - 3 PM. It's more than ok to pop in for an hour two. There is no obligation to stay the entire day. 

This event is put on by Trillium Alpine Guides and friends. 

Come be a part of what's good on our mountain!

Plus! We heard there might be prizes. 

*bring gloves and a trash bag or two.

Registration is Closed

We’re sorry to report that registration is now closed for this activity and we are no longer accepting applications. The activity has either reached its maximum capacity or the registration period has ended.
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Have questions about registration or your application status?

Email help@mazamas.org or call (503) 227-2345

Group Information
Groups Conservation Committee

WE‘RE HERE TO HELP

Have questions about registration or your application status?

Email help@mazamas.org or call (503) 227-2345