The Sierra Club San Francisco Bay Chapter offers hikes and outdoor recreation for people of all ages.  For a more complete listing of all Chapter outings and events see our Calendar. There are many more events on the calendar than it is possible to list on Meetup!

Outings are conducted by the San Francisco Bay Chapter's Activity Sections and Regional Groups.  Activity Sections are organized around either an activity, such as hiking or backpacking, or a social theme, such as Sierra Singles.  No matter the theme, our outings and activities are open to all.  Everyone is welcome, including those who are not members of Sierra Club (unless, rarely, otherwise stated). For more information about the Chapter's activity sections, click here.

You can also join the Sierra Club, which is a good idea because it is the Sierra Club that makes all this possible. Join or renew today. If you'd like to lead hikes or other outings, you'll need to be a member of the Club.

We also advocate for policies that protect our natural environment, support environmental candidates for public office, and provide opportunities for people who want to develop leadership skills to give back to the community and help the environment. We serve Alameda, Contra Costa, Marin, and San Francisco Counties, California.

For additional information about our outings, including outing policies and rating codes (1A, 2B, etc.), please see Hike Difficulty Codes.

Before you attend any Sierra Club activity please familiarize yourself with our Outings Policies and Background Information. Also, please note that dogs or other pets are permitted only on outings that are pre-advertised or otherwise identified as dog- or pet-permitted outings. (Service animals, as defined by the Americans with Disabilities Act, are not considered pets.)  For complete information about the Club's dog and pet policy, click on the "Pages" tab and scroll down through the Table of Contents to "Dogs on Hikes" (http://www.meetup.com/sanfranciscobay/pages...).

Note: CST 2087766-40. Registration as a seller of travel does not constitute approval by the State of California

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Welcome!

Recent Meetups

  • 4 days ago · 10:00 AM

    EBMUD Rocky Ridge Hike

    25 Members | 5.00 5.005 | 21 Photos

    Details: This is a twelve mile, nearly 3000 ft elevation gain lasso through the hills of EBMUD watershed land. This your chance to see what Contra Costa County would... Learn more
  • October 12 · 1:30 PM

    SF Waterfront Walk

    23 Members | 4.00 4.001

    Explore the SF Waterfront on this 5 to 6-mile walk along the Embarcadero from the Ferry Building to AT&T Park & Mission Bay.  See how this area has changed from old... Learn more
  • October 11 · 11:00 AM

    Sierra Singles Tomales Bluff Hike

    30 Members | 4.50 4.504 | 44 Photos

    Come and join Sierra Singles leader Albert Chiu on this moderate paced 10 miles hike to the northern tip of Pt. Reyes. We’ll have a panoramic view of both the ocean and... Learn more
  • October 11 · 11:00 AM

    Iron Horse Trail

    35 Members | 4.00 4.005

    We will meet at the Pleasant Hill Bart Station at 11:00 and walk along the Iron Horse trail for up to 5 miles or so. We will stop along the way to picnic with our own... Learn more
  • October 11 · 9:30 AM

    Celebrate Owls with the Sierra Club Marin Group

    3 Members

    Join the Sierra Club Marin Group beginning with a guided hike at 9:30a.m.; join the fun at a potluck beginning at 11:30; learn about owls and make owl boxes beginning at... Learn more
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Rafaël

We just grab a coffee and speak French. Some people have been coming every week for months... it creates a kind of warmth to the group.

Rafaël, started French Conversation Group

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