Activity Notes

Trip changed to Trinity Alps (CA) due to trail closures. Entry from Long Canyon Trailhead. Destinations: Siligo Peak, Gibson Peak, Four Lakes Loop, and Seven Up Peak. Travel to California and camp near the trailhead on Tue, Sep 15. Climb Sep 16 to 19, and also travel back home on Sep 19.

*** Original climb description below no longer applies ***

This part of the Cathedral Peak and Amphitheater Mountain (Fall 2026) climb.

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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Group Information
Grad Preference BCEP

WE‘RE HERE TO HELP

Have questions about registration or your application status?

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