San Francisco Bay Chapter Sierra Club
a great horned owl in oakland

The San Francisco Bay Chapter Wants You to Get Outdoors!


Come along for a backpack, canine hike, car camp, hike, potluck, service trip, ski trip, and more!
» SF Bay Chapter Activities Calendar


Activity Sections:

Backcountry Skiing | Backpacking | Gay and Lesbian Sierrans | Hiking | Inner City Outings | Sierra Couples | Sierra Singles | Snow Camping | Solo Sierrans | Young Sierrans

Our top priorities: Protecting critical habitat and open space; promoting clean renewable energy; building sustainable communities; and working directly in elections to pass environmental ballot measures and elect environmental leaders.

In the Spotlight


Calendar Calendar
There's always a great hike, an important meeting, a camping trip, tons of stuff to do in the Bay Area...
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Support our fight for clean air and water, and against climate change! Donate today!

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Go Solar! Go solar with the Sierra Club! Your free Sungevity solar evaluation will show...
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Fight Fracking

Featured Issue: Fight Fracking
The San Francisco Bay Chapter has recently formed a Fracking Action Team. To get involved, ...
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The Sierra Club Yodeler TheYodeler.org
The place to go for details and stories about the San Francisco Bay Chapter's work.
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About Us About Us
The Bay Chapter is home to the 30,000 Sierra Club members in four counties...
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Activities & Events


Volunteer Volunteer
If you can spare just a little time, we can promise you it will be well spent...
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Beginners’ Backpack CourseFeatured Activity
The San Bruno Mountain Shellmound Hike, led by a San Bruno Mountain Watch docent...
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Support the San Francisco Bay Chapter


My Broker Donates My Broker Donates Buy or Sell a Home, Generate a Big Donation to the SF Bay Chapter of the Sierra Club - No Cost to You!
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Amazon Amazon
Whenever you shop at Amazon.com, use this link and generate a donation to the San Francisco Bay Chapter: Amazon.com.