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


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.

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$70 to Enter a National Park? Say NO!

Instead of keeping our parks accessible to all, the Trump administration wants to increase park fees by more than double, while making it easier and cheaper for the fossil fuel industry to drill. Say no way! Read More

$70 to Enter a National Park? Say No!

Sign the Petition

Sierra Club Joins With Conservation Groups to Challenge the Border Wall Construction

San Diego Border Wall

On September 14, a coalition of national conservation groups including Defenders of Wildlife, Sierra Club and Animal Legal Defense Fund filed suit against the Department of Homeland Security (DHS) challenging border wall construction activities that threaten wildlife and public lands in San Diego and Imperial Valley, California.

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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!


Member Orientation & Activist Training  

At the 2018 Women's March with Cynthia Wootton

Member Orientation Meeting

 Find out what Sierra Club San Diego is all about. From conservation to politics, hikes, backpacking and social events, we have so much for you to explore!

Saturday –  March 10 12pm-2pm

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Activist Training

Looking to get active?  Want to help protect our natural world and communities?  Then attend our Activist’s Training and learn what you can do and how to get more involved in our efforts to protect the environment. 

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It’s Pupping Season for the La Jolla Harbor Seals!  

La Jolla Seals

The mother seals are having their babies!

Join us for a Talk on Seal Biology and Behavior Followed by a short Walk to Casa Beach to see the Seals

Free Admission

Saturday’s –  March 3, 17 & 31

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Visit the Full Activities Calendar

Visit the Full Hiking and Biking Calendar

HiSierran Newsletter Online – Click HERE

Read the January to March 2018 Edition of the HiSierran



2018 Sierra Club Calendars
Sierra Club 2018 Wilderness Wall Calendar

Wilderness Wall Calendar  Member Price $13.45  NOW $6.70

Sierra Club 2018 Engagement Desk Calendar
Engagement Desk Calendar Member Price  $14.35   NOW $7.15

Order your 2018 Sierra Club Calendars today

Go Green with Reusable Shopping Bags & Waterbottles

Stop using single-use grocery bags and water bottles and show your support for the Sierra Club at the same time.
Grocery Tote Bags, Set of 2 – $5
Stainless Steel Water Bottle – Regular Price $12, Sale $9

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

Help Support the San Diego Chapter

It’s never a bad time to donate your car/boat/motorcycle and you may qualify for a 2018 tax deduction!.

Select the San Diego Chapter when you donate.

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