Welcome

On June 30, 1864, amid the Civil War, President Abraham Lincoln signed the Yosemite Grant Act to protect Yosemite Valley and Mariposa Grove. From the beginning, this act was a legacy for our nation.

Timeline

For tens of thousands of years, humans have changed, and have been changed by, this place we now call Yosemite. Learn about the history of the park!

Events

Attend one or more of the over 150 activities that are planned to honor the 150th anniversary of the Yosemite Grant Act signed by Abraham Lincoln.

Activity Map

Find an anniversary activity to attend - before you get here or while you are here! Look for this feature coming soon!