The Northern Yosemite region is world-renowned for its stunning scenery and great recreation opportunities.
CSERC is the key non-profit organization working to defend water, wildlife, and wild places across this spectacular region.
Thank you for supporting our efforts!
CSERC is a 501(c)(3) non-profit organization.
All donations are tax-deductible to the fullest extent provided by law. Tax ID #77-0279240
What's Happening – Latest News

Yosemite National Park’s 2026 Mist Trail Project

Conservation groups speak out after Trump repeals off-road vehicle regulations on public land

Frogs get a red leg up in Yosemite

Yosemite visitor numbers explode as park does away with reservation system

Trump administration attempt to gut Endangered Species Act hits roadblock








