San Francisco Bay Chapter Sierra Club


expedition backpack

Free backpack with membership!

Join the Club

We need you! Add your voice to those committed to leaving our children a living legacy of clean air, clean water, and a healthy environment.

The Sierra Club is America's most effective advocate for the environment and helps you protect the environment locally and globally. From community issues and action to lobbying on a national level, membership helps you take action where it's needed most. You'll have the satisfaction of helping preserve irreplaceable wildlands and wildlife. Your voice will be heard through congressional lobbying and grassroots action.

In addition to helping the planet, your membership will also earn you:

  • A free Sierra Club Expedition Pack (limited time only)
  • One-year subscription to Sierra magazine
  • Members-only ecotravel opportunities
  • Automatic membership in your local Chapter
  • Discounts on Sierra Club books and other merchandise

Join the Sierra Club today!
(and get a free backpack)


Also donate to the San Francisco Bay Chapter, Sierra Club

This is your local chapter if you are a member of the Sierra Club and you live in Alameda, Contra Costa, Marin, or San Francisco counties. Our work is focused more locally than the national organization.

Help support environmental activism in the Bay Area.

Your donation to your local Bay Chapter ensures our continued fight for clean air, clean water, and a healthy, sustainable environment throughout the Bay Area. Make a contribution now and keep our legacy of environmental action alive and working for you.

Make a Donation Support our fight for clean air and water, and against climate change! Donate to the SF Bay Chapter of the Sierra Club today!

Please note that contributions to the Sierra Club San Francisco Bay Chapter are not tax deductible as they support our grassroots lobbying work.

Help support our local efforts to protect Wild Places and Endangered Species; fight pollution in our Water and Air; ensure a Clean Energy Future; keep pressure on politicians and corporations to ensure safe and healthy communities. To arrange a donation, please contact or call (510) 848 0800 ext. 302



And give at no cost (to you) when you shop online!

Amazon Amazon
Whenever you shop at Amazon.com, use this link and generate a donation to the San Francisco Bay Chapter. So bookmark this page, and use the Amazon link here or on our homepage (sanfranciscobay.sierraclub.org). This helps the SF Bay Chapter of the Sierra Club. Here is link again: Amazon! If you use our links to Amazon we will earn a commission on the items you buy. There's no easier way to support our work.

Join the Sierra Club today