Activity Notes

Three Fingered Jack is a summit of a shield volcano of the Cascade Range in the U.S. state of Oregon. Formed during the Pleistocene epoch, the mountain consists mainly of basaltic andesite lava and was heavily glaciated in the past. Meet at PCT TH/parking lot at 3 am that morning. Pack up by 3.15 am. Plan is to finish climb by 5 pm.

Canceled

We’re sorry to report that this activity has been canceled. Please see our calendar for other activies and educational opportunities.
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Group Information
Groups Climb Leaders
Grad Preference AR, BCEP

WE‘RE HERE TO HELP

Have questions about registration or your application status?

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