Clampitt Fire

Wildfire in Ventura and Los Angeles counties, September 1970

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Printed October 28, 2026 from www.firezones.info/fire/2585/clampitt-fire-1970

Key facts

Started September 25, 1970
Contained Not recorded
Burned 115,537 acres
2nd largest fire of 1970 and 43rd largest in California's records
Cause Power lines
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Where it burned

Counties

  1. Ventura County 73,466 acres
  2. Los Angeles County 42,063 acres

Communities

  1. Simi Valley 9,340 acres
  2. Los Angeles 5,822 acres
  3. Bell Canyon 2,327 acres
  4. Agoura Hills 1,913 acres
  5. Oak Park 1,796 acres
  6. Thousand Oaks 1,099 acres
  7. Moorpark 1,077 acres
  8. Stevenson Ranch 874 acres
  9. Calabasas 828 acres
  10. Santa Clarita 814 acres
  11. Santa Susana 415 acres
  12. Westlake Village 200 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. 1940 Townley Cyn-Pico Cyn Fire 6,532 acres in total 5,886 acres shared
  2. 1946 Wiley Canyon Fire 21,266 acres in total 13,027 acres shared
  3. 1949 Simi Hills Fire 20,579 acres in total 13,945 acres shared
  4. 1950 Browns Cyn/Limekiln Fire 4,234 acres in total 3,459 acres shared
  5. 1953 Shields Lease Fire 11,775 acres in total 7,449 acres shared
  6. 1957 Santa Susana Pass Fire 4,718 acres shared
  7. 1958 Calumet Canyon Fire 17,214 acres in total 12,776 acres shared
  8. 1962 Golden Fire 9,233 acres in total 2,858 acres shared
  9. 1967 Devonshire-Parker Fire 23,094 acres in total 16,191 acres shared

Burned again

  1. 1981 Oat Fire 17,787 acres in total 16,421 acres shared
  2. 1982 Dayton Canyon Fire 43,097 acres in total 14,668 acres shared
  3. 1984 Grimes Fire 11,305 acres in total 6,133 acres shared
  4. 1988 Keuhner Fire 3,819 acres in total 3,582 acres shared
  5. 2003 Simi Fire 107,570 acres in total 69,821 acres shared
  6. 2005 Topanga Fire 23,396 acres in total 16,770 acres shared
  7. 2006 Shekell Fire 13,618 acres in total 7,915 acres shared
  8. 2008 Sesnon Fire 14,701 acres in total 13,705 acres shared
  9. 2009 Guiberson Fire 17,527 acres in total 10,991 acres shared
  10. 2018 Woolsey Fire 89,551 acres in total · Cause: Power lines 16,172 acres shared
  11. 2024 Mountain Fire 19,902 acres in total 3,134 acres shared

And 195 more fires that burned less of the same land. Acres are the land each fire shares with the Clampitt 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