Tenaja Fire

Wildfire in San Diego and Riverside counties, September 1975

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Printed October 28, 2026 from www.firezones.info/fire/2947/tenaja-fire-1975

Key facts

Started September 22, 1975
Contained September 26, 1975, after 4 days
Burned 10,162 acres
6th largest fire of 1975
Cause Equipment use
Open map

Where it burned

Counties

  1. San Diego County 7,995 acres
  2. Riverside County 2,166 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 5,200 acres in total 4,032 acres shared
  2. 1917 Unnamed fire 4,302 acres in total 1,980 acres shared
  3. 1917 Unnamed fire 4,326 acres in total 1,917 acres shared
  4. 1917 Unnamed fire 2,563 acres in total 781 acres shared
  5. 1917 Unnamed fire 984 acres in total 684 acres shared
  6. 1917 Unnamed fire 252 acres in total 218 acres shared
  7. 1926 Unnamed fire 3,393 acres in total 1,200 acres shared
  8. 1934 Unnamed fire 2,548 acres in total · Cause: Miscellaneous 803 acres shared
  9. 1938 Unnamed fire 5,000 acres in total 932 acres shared
  10. 1938 Unnamed fire 148 acres in total · Cause: Miscellaneous 117 acres shared
  11. 1945 Unnamed fire 37,888 acres in total 2,588 acres shared
  12. 1949 Unnamed fire 13,786 acres in total 8,441 acres shared
  13. 1949 Unnamed fire 10,700 acres in total · Cause: Miscellaneous 4,527 acres shared
  14. 1952 Unnamed fire Cause: Miscellaneous 93 acres shared
  15. 1958 Steward Fire 68,106 acres in total 749 acres shared
  16. 1959 Unnamed fire 379 acres in total 309 acres shared
  17. 1964 Unnamed fire Cause: Miscellaneous 128 acres shared
  18. 1969 Unnamed fire 15,757 acres in total · Cause: Miscellaneous 1,026 acres shared

Burned again

  1. 1980 Turner Fire 31,447 acres in total 1,289 acres shared
  2. 2003 Roblar 2 Fire 6,892 acres in total · Cause: Equipment use 465 acres shared

And 9 more fires that burned less of the same land. Acres are the land each fire shares with the Tenaja 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