El Portal

Community in Mariposa County

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Report created October 27, 2026 at www.firezones.info/community/22328/el-portal

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    3% Very High

    All of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    97% has burned

    Most recently the 2018 Ferguson Fire, which burned 590 acres here, one of 23 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% Elevated

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by hazard class

  1. Very High 38 acres · State Responsibility Area 3%
  2. Not mapped by CAL FIRE 1,184 acres · Mostly federal land 97%

1,222 acres of land in all, 38 of it in the State Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

Largest fires

  1. 1909 Unnamed fire Of 14,413 acres in all 725 acres
  2. 2018 Ferguson Fire Of 96,831 acres in all · Cause: Miscellaneous 590 acres
  3. 1936 Unnamed fire Of 4,925 acres in all 490 acres
  4. 1990 A-Rock Fire Of 17,758 acres in all · Cause: Lightning 422 acres
  5. 1927 Unnamed fire Of 11,854 acres in all 415 acres
  6. 1919 Unnamed fire Of 538 acres in all 302 acres
  7. 1911 Unnamed fire Of 191 acres in all 158 acres
  8. 2003 Woodlot Fire Of 481 acres in all · Cause: Arson 120 acres
  9. 1926 Unnamed fire Of 3,255 acres in all 106 acres
  10. 1921 Unnamed fire Of 840 acres in all 101 acres

And 13 smaller fires. In all, 1,186 acres of El Portal have burned. Acres are the land each fire burned here, and fires that crossed 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 hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 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

Nearby areas

ZIP codes in El Portal