Highgrove

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 1,040 acres · 687 state, 352 local 50%
  2. High 142 acres · Local Responsibility Area 7%
  3. Moderate 59 acres · Local Responsibility Area 3%
  4. Non-wildland 818 acres · Local Responsibility Area 40%

  2,059 acres of land in all, 687 in the State Responsibility Area and 1,372 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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

• Fire history

  The 10 largest of 14 fires that burned here

  Map
  1. 1981 Colton Fire 4,051 acres in total · Cause: Miscellaneous 362 acres here
  2. 1981 Spruce (Assist) Fire 1,709 acres in total 344 acres here
  3. 1963 Unnamed fire 629 acres in total 343 acres here
  4. 2017 Opera Fire 1,000 acres in total · Cause: Vehicle 335 acres here
  5. 1975 Highgrove Fire 426 acres in total 309 acres here
  6. 1958 Mt. Vernon Fire 435 acres in total 201 acres here
  7. 1980 Springs Fire 589 acres in total 178 acres here
  8. 1970 Springs Fire 445 acres in total 156 acres here
  9. 1980 Blue Fire 246 acres in total 94 acres here
  10. 1995 Wick Fire 453 acres in total 76 acres here

  And 4 smaller fires. The most recent was the 2017 Opera Fire, which burned 335 acres here. In all, 871 acres of Highgrove 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