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

Trump’s National Park Service is selling out Yosemite — and its bears

Why Yosemite National Park Geologists Keep Close Tabs On Rockfall Activity

Yosemite National Park ‘a complete mess’ over holiday weekend

Yosemite National Park will not require vehicle reservations in 2026

Little Fires, Big Purpose: Reconnecting Culture, Land, & Connection in Yosemite








