The Most Destructive Wildfires In U.S. History, From The Forests Of California To The Islands Of Hawaii

Published August 24, 2025

The Great Fire Of 1910, The Largest Wildfire In U.S. History

The Largest Wildfire In American History

Public DomainA pine forest in Coeur d’Alene, Idaho, after the Great Fire of 1910 blazed through.

In the hot, dry summer of 1910, a devastating wildfire burned through Idaho, Montana, Washington, and British Columbia. Often referred to as the “Big Blowup,” the Great Fire of 1910 was the first large-scale disaster faced by the recently established U.S. Forest Service, and it left a lasting legacy on wildfire management in the United States.

A series of small fires that were ignited by things like lightning and sparks from passing trains had been burning across the region for several weeks, but on August 20, hurricane-force winds swept through the Northern Rockies, combining the smaller blazes into a monstrous wildfire that was unstoppable.

According to the Forest History Society, one forester saw that the fire was hundreds of feet high and “fanned by a tornadic wind so violent that the flames flattened out ahead, swooping to Earth in great darting curves, truly a veritable red demon from Hell.”

Aftermath Of Largest Wildfire In US History

Public DomainOne-third of the town of Wallace, Idaho, was destroyed in the wildfire.

Smoke from the deadly wildfire could reportedly be seen as far away as New York, and boats in the Pacific couldn’t see the stars at night because they were obscured by ash.

Over three million acres burned over a single weekend, making the blaze the largest wildfire in American history. The fire killed a total of 87 people in the rural area, including at least 78 firefighters. It remains the second-deadliest firefighting disaster in U.S. history, surpassed only by the terrorist attacks of Sept. 11, 2001.

author
Ainsley Brown
author
Based in St. Paul, Minnesota, Ainsley Brown is an editorial fellow with All That’s Interesting. She graduated with a Bachelor's Degree in journalism and geography from the University of Minnesota in 2025, where she was a research assistant in the Griffin Lab of Dendrochronology. She was previously a staff reporter for The Minnesota Daily, where she covered city news and worked on the investigative desk.
editor
Cara Johnson
editor
A writer and editor based in Charleston, South Carolina and an editor at All That's Interesting since 2022, Cara Johnson holds a B.A. in English and Creative Writing from Washington & Lee University and an M.A. in English from College of Charleston. She has worked for various publications ranging from wedding magazines to Shakespearean literary journals in her nine-year career, including work with Arbordale Publishing and Gulfstream Communications.
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Brown, Ainsley. "The Most Destructive Wildfires In U.S. History, From The Forests Of California To The Islands Of Hawaii." AllThatsInteresting.com, August 24, 2025, https://allthatsinteresting.com/largest-wildfires-us-history. Accessed August 25, 2025.