Alpine County

County in California

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Report created October 27, 2026 at www.firezones.info/county/003/alpine

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    3% High · 3% Very High

    All of the 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

    27% has burned

    Most recently the 2023 Wolf Creek Fire, which burned 33 acres here, one of 78 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    32% 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 14,157 acres · State Responsibility Area 3%
  2. High 14,454 acres · State Responsibility Area 3%
  3. Moderate 5,669 acres · State Responsibility Area 1%
  4. Not mapped by CAL FIRE 441,218 acres · Mostly federal land 93%

475,500 acres of land in all, 34,281 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. 2021 Tamarack Fire Of 67,055 acres in all · Cause: Lightning 52,138 acres
  2. 2015 Washington Fire Cause: Lightning 17,780 acres
  3. 2018 Donnell Fire Of 36,461 acres in all · Cause: Campfire 13,014 acres
  4. 1947 Unnamed fire Of 14,395 acres in all 12,751 acres
  5. 2020 Slink Fire Of 26,752 acres in all 12,722 acres
  6. 1949 Unnamed fire 8,800 acres
  7. 1987 Unnamed fire Cause: Miscellaneous 6,348 acres
  8. 2003 Mudd Fire Cause: Lightning 4,335 acres
  9. 1984 Unnamed fire Of 16,668 acres in all · Cause: Arson 4,307 acres
  10. 2017 Mccormick Fire Of 4,423 acres in all · Cause: Lightning 3,648 acres

And 68 smaller fires. In all, 126,313 acres of Alpine County 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

Unincorporated communities in Alpine County

ZIP codes in Alpine County

Neighboring counties

  1. Alpine County 3% High · 3% Very High · this area
  2. Amador County 44% Very High
  3. Calaveras County 54% Very High
  4. El Dorado County 38% Very High
  5. Mono County 7% High · 1% Very High
  6. Tuolumne County 17% Very High