Know the location of this area? Show us! We don't know it, but we're working on cool new features that need it!
The Third Sister in the Sisters formation
Hike up the trail to the First Sister and continue around to the west to base of the Third Sister
1 Total Routes
Browse More Classics in Third Sister
Mountain Project's determination of some of the classic, most popular, highest rated routes for Third Sister:
Third Sister 5.10a 6a 18 VI+ E1 5a Sport, 1 pitch, 40'
Featured Route For Third Sister
News and Events For Third Sister
Latest Regional Forum Messages
From Northern California Go to Forum | What's New | Post New Topic