Trail Rehabilitation & Access

Restoring hundreds of miles of trails in Yosemite, from the Valley to the remote wilderness.

Wildlife Management

Studying and saving Yosemite's diverse wildlife, including many threatened species.

Habitat Restoration

Preserving natural habitats and healthy ecosystems for flora, fauna and future generations.

Scientific Research

Supporting the world-class scientists who conduct unique and vital research in Yosemite.

Cultural & Historic Preservation

Studying, sharing and learning from Yosemite’s long human history.

Visitor Services & Education

Helping people learn about and experience Yosemite safely and sustainably.

Youth in Yosemite

Helping kids and teens experience Yosemite’s wonders and create lasting connections with nature.