Join the 9th annual

San Francisco Bay Area Six-Pack of Peaks Challenge

January 1, 2026 to December 31, 2026

One Membership. All Challenges. Your Adventure Starts Here.

Mount Tamalpais
Aurea Duque

3 of 6

The best hike among 6. Very scenic, we enjoyed every bit of it.

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Mount Sizer
Karl

Sizer loop at 90 degrees!

Our motley group was three friends who have done this a few times before (my 10th time to Sizer), plus two enthusiastic young ladies that

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Mount Umunhum
Ray Hefner

Not “Manamana”

New trail – New trail – New trail!!! It feels kind of surreal to be at a brand new trail in the bay area. Not

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Mount Tamalpais
Tara

Mt Tam Has Everything

Mt Tam is so beautiful. We stayed at Bootjack Campground so we could be o the trail early. We chose to hike down to Stinson

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