Line Fire

Wildfire in San Bernardino County, September 2024

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Printed October 28, 2026 from www.firezones.info/fire/8572/line-fire-2024

Key facts

Started September 5, 2024
Contained December 23, 2024, after 109 days
Burned 43,976 acres
4th largest fire of 2024
Cause Not recorded
Buildings 2 destroyed, 5 damaged
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Where it burned

County

  1. San Bernardino County 43,971 acres

Communities

  1. Highland 984 acres
  2. San Bernardino 299 acres
  3. Running Springs 15 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.

Buildings damaged

  1. Destroyed Over 50% damaged 2
  2. Major damage 25 to 50% damaged 1
  3. Minor damage 10 to 25% damaged 1
  4. Affected Up to 10% damaged 3

Buildings CAL FIRE inspected after the fire, by how badly each was damaged. Inspectors record homes, businesses and outbuildings within 100 meters of the fire, and cannot always reach every one, so the counts can differ slightly from other reports.

The same land, other fires

Burned before

  1. 1906 Unnamed fire 2,353 acres in total 619 acres shared
  2. 1908 Unnamed fire 1,360 acres shared
  3. 1921 Unnamed fire 502 acres in total 486 acres shared
  4. 1927 Unnamed fire 9,517 acres in total 7,954 acres shared
  5. 1928 Unnamed fire 6,114 acres in total 5,382 acres shared
  6. 1928 Unnamed fire 666 acres in total 515 acres shared
  7. 1929 Unnamed fire 4,956 acres in total 4,735 acres shared
  8. 1945 Unnamed fire 5,033 acres in total 1,798 acres shared
  9. 1950 Jackson Fire 718 acres shared
  10. 1955 Smiley Fire 1,051 acres in total 905 acres shared
  11. 1956 East Highland Fire 14,444 acres in total 9,238 acres shared
  12. 1970 Bear Fire 51,655 acres in total · Cause: Campfire 35,861 acres shared
  13. 1979 Unnamed fire 2,536 acres in total 1,727 acres shared
  14. 1980 Sycamore Fire 3,479 acres in total 2,514 acres shared
  15. 1997 Mill Fire 1,326 acres in total · Cause: Miscellaneous 962 acres shared
  16. 2001 Hemlock Fire Cause: Miscellaneous 1,067 acres shared
  17. 2003 Bridge Fire 1,157 acres in total · Cause: Miscellaneous 494 acres shared
  18. 2003 Old Fire 91,428 acres in total · Cause: Arson 13,463 acres shared
  19. 2007 Slide Fire 12,769 acres in total · Cause: Miscellaneous 1,613 acres shared
  20. 2017 Mart Fire 669 acres in total · Cause: Arson 525 acres shared

And 37 more fires that burned less of the same land. Acres are the land each fire shares with the Line 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