Post Mountain

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 3,301 acres · State Responsibility Area 42%
  2. Not mapped by CAL FIRE 4,643 acres · Mostly federal land 58%

  7,944 acres of land in all, 3,301 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. 2015 Blue Fire 2,828 acres in total · Cause: Lightning 575 acres here
  2. 2025 Cedar Fire 91 acres here
  3. 2014 West Fire Cause: Miscellaneous 14 acres here
  4. 1987 Flume Fire 12,617 acres in total · Cause: Lightning 5 acres here

  The most recent was the 2025 Cedar Fire, which burned 91 acres here. In all, 685 acres of Post Mountain 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