500 Giant Sequoias in Yosemite National Park, CA, Threatened by Growing Wildfire The Washburn Fire has doubled in size over the past 24 hours, threatening the largest grove of giant sequoia trees in California’s Yosemite National Park. The blaze is estimated to have burned 1,591 acres and park officials have closed down Mariposa Grove, home to 500 giant sequoias trees, including the famed Grizzly Giant which is thought to be around 3,000 […] Fire Firebrains | July 11, 2022 4 Comments