The Mason Gulch Fire is cited as an early proof that fuel treatments protect communities.
Sparked by lightning in July 2005 near Beulah, the fire burned roughly 11,357 acres but caused limited structure loss, credited in part to fuel-reduction work completed before the fire under the National Fire Plan.
Every major Colorado fire reinforces the same lesson: the homes most likely to survive are the ones prepared before a fire starts. It is one of the clearest historical demonstrations that proactive fuels work changes outcomes. Creating defensible space, hardening the home against embers, and documenting the work for insurance and grant funding are the highest-leverage steps a homeowner can take.
Not sure where your property stands? Check your wildfire risk score in under a minute, watch for new starts on the active fires map, and set up emergency fire alerts so you never miss an evacuation order.
The Spring Creek Fire (2018) burned 108,045 acres in southern Colorado and destroyed ~141 homes. Cause (arson), size, timeline and aftermath.
Read the overviewThe NCAR Fire (2022) burned 190 acres near Boulder but destroyed no homes, a widely cited wildfire mitigation success. What worked and why.
Read the overviewThe Hayman Fire (2002) burned 138,114 acres SW of Denver, Colorado's largest until 2020. Cause (arson), 600 structures, deaths and aftermath.
Read the overviewThe complete, searchable record of every major Colorado wildfire in history.
Open the full guideAbout 11,357 acres near Beulah.
Pre-existing fuel treatments helped stop its spread into subdivisions, a National Fire Plan success story.