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
Emma

Mt. Tam!

This was a great hike! The weather was perfect and even though the day got started a little later than I would have hoped, it

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Mount Sizer
rockbottom

Forget your knees behind

This hike was seriously grueling, especially the “shortcut” which is insanely steep. Jackass trail portion of the trail was very scenic and exciting too since

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Mount Diablo
Shirley Nutt

Mount Diablo Virgin

I’ve always wondered what Mount Diablo was like. I have only seen it in the distance until the day of my hike. We started on

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Mount Sizer
Brian

Mt Sizer

Kinda crazy weather, a bit of rain, but stupendous ridge meadows!

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