Happy Fire

Wildfire in Trinity County, July 2015

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Printed October 28, 2026 from www.firezones.info/fire/7433/happy-fire-2015

Key facts

Started July 30, 2015
Contained August 8, 2015, after 9 days
Burned 68,095 acres
5th largest fire of 2015 and 85th largest in California's records
Cause Lightning
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Where it burned

Counties

  1. Trinity County 67,550 acres
  2. Humboldt County 535 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. 1931 Devils Canyon Fire 25 acres in total · Cause: Debris burning 24 acres shared
  2. 1932 Mills Hill Fire 16 acres in total · Cause: Debris burning 15 acres shared
  3. 1932 Jim Jam Fire 27 acres in total · Cause: Lightning 26 acres shared
  4. 1943 China Creek Fire 10 acres in total · Cause: Lightning 9 acres shared
  5. 1951 Unnamed fire 8,289 acres in total · Cause: Lightning 4,745 acres shared
  6. 1974 Virgin Fire 1,075 acres in total · Cause: Miscellaneous 940 acres shared
  7. 1991 Unnamed fire Cause: Lightning 433 acres shared
  8. 1999 Megram Fire 125,073 acres in total · Cause: Lightning 17,715 acres shared
  9. 1999 Onion Fire 15,961 acres in total · Cause: Lightning 15,715 acres shared
  10. 2006 Bake-Oven Fire 65,050 acres in total · Cause: Lightning 2,026 acres shared
  11. 2008 Ironside Fire 12,834 acres in total · Cause: Lightning 802 acres shared
  12. 2008 Buckhorn Fire 29,814 acres in total · Cause: Lightning 3,315 acres shared
  13. 2008 Denny Fire Cause: Lightning 43 acres shared
  14. 2008 Ziegler Fire 2,349 acres in total · Cause: Lightning 30 acres shared
  15. 2012 Flat Fire 1,720 acres in total · Cause: Vehicle 128 acres shared
  16. 2013 Corral Fire 12,541 acres in total · Cause: Lightning 334 acres shared

Burned again

  1. 2020 Red Salmon Complex 143,836 acres in total · Cause: Lightning 214 acres shared
  2. 2021 Monument Fire 223,108 acres in total · Cause: Lightning 12,313 acres shared
  3. 2022 Campbell Fire 30,133 acres in total 64 acres shared
  4. 2023 Caraway Fire Cause: Lightning 12 acres shared

Acres are the land each fire shares with the Happy 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