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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Lawsuit Challenges San Diego County’s Sprawl-promoting Climate Plan

On March 19, the Sierra Club filed two lawsuits challenging the County of San Diego’s latest iteration of its Climate Action Plan, which again fails to set forth concrete, enforceable measures that adequately reduce the climate change impacts of development in the county. The lawsuit alleges that the Climate Action Plan relies too heavily on carbon credit programs located outside of the county, stating that San Diego officials will not be able to survey and enforce the authenticity of these credits and therefore does not actually achieve confirmable emissions reductions.

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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

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!


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, March 31

Learn More

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!