A massive wildfire known as the Garnet Fire is threatening the historic McKinley Grove of giant sequoias in California’s Sierra National Forest, sparking global concern for trees that have stood for up to 2,000 years.
The blaze, ignited by lightning on August 24, has already burned through nearly 55,000 acres of forest, grassland, and chaparral. Fire officials report that containment remains around 15%, and the fire continues to spread under hot and dry conditions.
Firefighters Race to Protect Ancient Giants
Approximately 170 giant sequoias are at risk within the 100-acre McKinley Grove. Firefighters are using extreme protective measures to save these natural wonders:
- Installing sprinkler systems around the grove
- Clearing flammable material from the forest floor
- Wrapping some tree trunks in fire-resistant foil
- Deploying smokejumpers to climb trees and extinguish embers in the canopy
So far, crews have managed to prevent any full crown fires, though some spot fires have been detected in the upper branches.
Experts warn that while sequoias have naturally adapted to survive low-intensity fires, the megafires fueled by climate change now pose an unprecedented threat. Since 2020, nearly 20% of the world’s mature sequoias have been lost to wildfire events in California.
The Garnet Fire is currently the third-largest wildfire in California this year. Smoke from the blaze has drifted across Central California and into western Nevada, triggering hazardous air quality advisories in multiple regions, including Yosemite.
The McKinley Grove represents one of the most accessible and beloved groves of giant sequoias in the Sierra Nevada. Its potential destruction would be an irreplaceable loss, not only for California but for the entire world. Officials stress that recovery and conservation will be long-term efforts, requiring both immediate firefighting strategies and broader climate resilience planning.



