Madre Fire

Wildfire in San Luis Obispo County, July 2025

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Printed October 28, 2026 from www.firezones.info/fire/8644/madre-fire-2025

Key facts

Started July 2, 2025
Contained July 26, 2025, after 24 days
Burned 80,779 acres
2nd largest fire of 2025 and 72nd largest in California's records
Cause Not recorded
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Where it burned

County

  1. San Luis Obispo County 80,745 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

The same land, other fires

Burned before

  1. 1917 Unnamed fire 956 acres in total · Cause: Miscellaneous 935 acres shared
  2. 1921 Unnamed fire 12,351 acres in total 823 acres shared
  3. 1922 Unnamed fire 25,637 acres in total · Cause: Miscellaneous 24,302 acres shared
  4. 1928 Unnamed fire Cause: Miscellaneous 804 acres shared
  5. 1956 Unnamed fire Cause: Miscellaneous 2,780 acres shared
  6. 1960 Unnamed fire Cause: Miscellaneous 477 acres shared
  7. 1963 Speicher Fire 590 acres in total 425 acres shared
  8. 1969 Painted Rock Fire 449 acres shared
  9. 1979 Spanish Ranch Fire 1,191 acres in total · Cause: Miscellaneous 1,151 acres shared
  10. 1981 Washburn Ranch Fire 3,110 acres in total · Cause: Equipment use 118 acres shared
  11. 1997 Caliente Fire Cause: Lightning 62 acres shared
  12. 1997 Logan Fire 49,491 acres in total · Cause: Miscellaneous 15,311 acres shared
  13. 1997 American Fire 1,631 acres in total · Cause: Power lines 297 acres shared
  14. 1998 Spanish Fire 120 acres in total · Cause: Arson 74 acres shared
  15. 1999 Washburn Fire Cause: Lightning 272 acres shared
  16. 2005 Chimineas Fire Cause: Miscellaneous 99 acres shared
  17. 2010 Wash Fire 947 acres in total · Cause: Equipment use 826 acres shared
  18. 2012 Caliente Fire Cause: Lightning 143 acres shared
  19. 2013 Branch Fire 490 acres in total · Cause: Miscellaneous 424 acres shared
  20. 2023 Rinconada Fire 96 acres shared

And 3 more fires that burned less of the same land. Acres are the land each fire shares with the Madre Fire, and fires that shared less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Building damage
CAL FIRE Damage Inspection
Updated 19 October 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data