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Sequoias Over 2,000 Years Old Are at Risk as Yosemite Fire Rages

  • Firefighters battling to protect famed Mariposa Grove
  • Washburn Fire nearing centuries-old Grizzly Giant tree
The Grizzly Giant sequoia tree at the Mariposa Grove of giant sequoias in Yosemite National Park, California.

The Grizzly Giant sequoia tree at the Mariposa Grove of giant sequoias in Yosemite National Park, California.

Photographer: David McNew/AFP/Getty Images

An out-of-control wildfire in California’s Yosemite National Park is threatening some of the region’s most famous giant sequoia trees.

The Washburn Fire has spread to more than 2,300 acres (931 hectares) since it was reported Thursday, according to the National Interagency Fire Center. It wasn’t controlled at all as of Sunday and firefighters are battling to protect the park’s Mariposa Grove, which includes more than 500 mature giant sequoias.