Every summer, Idaho enters fire season, when hot temperatures, dry vegetation, and lightning storms combine to create conditions where wildfires can spread quickly across the state’s forests, rangelands, and mountains. While modern firefighting techniques and technology have greatly improved our ability to detect and respond to fires, Idaho’s landscape has always been naturally susceptible to wildfire. Long before modern communities existed, fire shaped the state’s ecosystems, renewing forests and grasslands while influencing how people lived on the land. Few events, however, demonstrated the immense power and danger of wildfire more dramatically than the Big Burn of 1910, one of the largest and most devastating forest fires in American history.

During the summer of 1910, much of northern Idaho, western Montana, and northeastern Washington experienced months of drought. Hundreds of small fires, many started by lightning and others by sparks from railroads, smoldered across the forests. At the time, the young United States Forest Service had only recently been established and lacked the personnel, equipment, and infrastructure needed to manage fires on such a massive scale. Rangers, local residents, and thousands of emergency firefighters worked tirelessly to contain the growing blazes, often using little more than shovels, axes, and hand tools.

Everything changed on August 20 and 21, when powerful winds swept through the region. Individual fires merged into enormous firestorms that raced through mountain valleys and over ridges at astonishing speed. Entire hillsides erupted in flames, creating walls of fire that could move faster than people could run. Trees exploded as intense heat ignited sap, while burning embers traveled miles ahead of the main fire, starting new blazes. The smoke became so thick that daylight turned to darkness across much of the region.

Northern Idaho was among the hardest-hit areas. Communities including Wallace, Avery, and Taft faced overwhelming destruction. Wallace narrowly escaped complete destruction after residents and firefighters mounted desperate efforts to protect the town. Taft, however, was almost entirely destroyed, and many residents and firefighters lost their lives while attempting to flee the flames. Railroads became critical evacuation routes, carrying hundreds of people to safety through smoke-filled canyons as fire surrounded the tracks.

By the time cooler weather and rain finally brought relief, the Big Burn had consumed approximately three million acres in just two days. The disaster claimed at least 87 lives, most of them firefighters, and destroyed entire towns, homes, businesses, timber, and transportation infrastructure. The scale of the devastation shocked the nation and highlighted both the extraordinary power of wildfire and the challenges of protecting communities across the rugged landscapes of the American West.

The Big Burn reshaped wildfire management in the United States for decades. The disaster strengthened support for the Forest Service and led to expanded investments in firefighting personnel, communication systems, lookout towers, roads, and fire detection. It also reinforced a national policy of aggressively suppressing wildfires, a philosophy that guided forest management for much of the twentieth century.

As Idahoans once again prepare for fire season, reflecting on the Big Burn of 1910 is a timely reminder of the importance of prevention, preparedness, responsible land stewardship, and respect for the power of fire.