Foresthill

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 4,023 acres · State Responsibility Area 56%
  2. Not mapped by CAL FIRE 3,136 acres · Mostly federal land 44%

  7,158 acres of land in all, 4,023 of it in the State Responsibility Area. 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

  Fires CAL FIRE has recorded here

  Map
  1. 2022 Mosquito Fire 76,771 acres in total · Cause: Miscellaneous 3,423 acres here
  2. 1931 Unnamed fire 3,297 acres in total 2,595 acres here
  3. 1960 Volcano Fire 42,596 acres in total · Cause: Smoking 1,080 acres here
  4. 1917 Section 28 Fire 232 acres in total · Cause: Miscellaneous 224 acres here
  5. 1917 Miller Diggins Fire 287 acres in total 135 acres here
  6. 1910 Unnamed fire 388 acres in total 13 acres here
  7. 1960 Volcano Fire 2,136 acres in total 5 acres here

  The most recent was the 2022 Mosquito Fire, which burned 3,423 acres here. In all, 3,826 acres of Foresthill 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