Activity Notes

Let's go climb South Sister! The trail will likely be fully melted out at this point in the year, so we should be on established trail the entire way. We'll pass by beautiful glacier pools and from the summit will have incredible views of the Cascades.

Upcoming Registration

Registration will open on the date indicated above. Please check back on that date to apply/register for this activity.
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Group Information
Groups Climb Leaders

WE‘RE HERE TO HELP

Have questions about registration or your application status?

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