Join more than 15,000 members in Imperial and San Diego Counties.


Join the Solar RevolutionLearn More

Help Support the San Diego Chapter

It’s never a bad time to donate your car/boat/motorcycle and you may qualify for a tax deduction!.

Select the San Diego Chapter when you donate.

2018 General Election – November 6

Find our Endorsements Results Here

Fight Plastic Litter: Tell the City Of San Diego to Ban Foam Food Containers and More

Tell Mayor Kevin Faulconer and the San Diego City Council that you want a comprehensive ordinance banning the consumption of expanded polystyrene (EPS; e.g.,“Styrofoam®”) food containers, and other …. Read More

Looking to get active?  Want to help protect our natural world and communities?

Let us help you find your perfect volunteer opportunity.  Just fill out our volunteer form HERE and one of our Coordinators of Volunteers will get right back to you and get you going!


North County Group Quarterly Meeting

Coasters Sierra Club

Tuesday, January 15, 2019  7:00 PM – 8:30 PM
Encinitas Community Center
1140 Oakcrest Park Dr., Encinitas, CA
Open to the Public
Guest Speaker
Deputy Mayor Joe Mosca

Featured Presentation – Climate Reality Project
Amelie Catheline will present material from her recent training at the Al Gore Climate Reality Project.  Learn what we can do to solve the greatest problem of our time!

January-March 2019 HiSierran

Visit the Full Activities Calendar

Visit the Full Hiking and Biking Calendar

Get Involved: Join SANDAC

SANDAC (San Diego Activist Citizens) is a group of Sierra Club Volunteers who are looking to prioritze public transportation in the 2019 edition of the Regional Transportation Plan.
Are you interested in volunteering your time to be a part of this program?

Be part of the movement.

Learn More


Make a Year-End Gift for the Earth

As you think about your end of year gifts, please consider a tax-deductible gift to Sierra Club San Diego.

Our goal for 2019 is to have the biggest impact we can for the environment and our programs. Our staff and volunteers strengthen our ability to be the voice for citizens who support a clean and healthy environment.

A tax-deductible conservation investment will enable us to continue to monitor environmental issues, ensure compliance with local, state and federal environmental laws and provide decision makers with information critical to maintaining a healthy environment.


Desk Calendar
Regular Price $15.95  $7.98
Member Price $14.35  $7.18
Order HERE

Wilderness Wall Calendar

Visit the Sierra Club Store for great prices on backpacks, bags, caps, water bottles, travel mugs, coloring books and other great items.

Holiday Gift Guide


Looking for that special gift? Check out the Chapter’s online store where you can find all sorts of great items for everyone in the family show your support for the Sierra Club at the same time.

Join Sierra Club San Diego on an outing – where do you want to go? The choice is yours!