Sierra Madre

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 1,036 acres · Local Responsibility Area 55%
  2. High 146 acres · Local Responsibility Area 8%
  3. Moderate 130 acres · Local Responsibility Area 7%
  4. Non-wildland 580 acres · Local Responsibility Area 31%

  1,891 acres of land in all, 1,891 of it in the Local 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

  The 10 largest of 24 fires that burned here

  Map
  1. 2025 Eaton Fire 14,056 acres in total 629 acres here
  2. 1953 Monrovia Peak Fire 14,061 acres in total 410 acres here
  3. 1954 Monrovia Peak Fire 13,870 acres in total 368 acres here
  4. 2008 Santa Anita Fire 557 acres in total 335 acres here
  5. 1961 Unnamed fire 922 acres in total 328 acres here
  6. 1978 Mountain Trail Fire 1,295 acres in total 324 acres here
  7. 1993 Kinneloa Fire 5,454 acres in total 156 acres here
  8. 1900 Big Fire 16,961 acres in total 154 acres here
  9. 1911 Unnamed fire 324 acres in total 125 acres here
  10. 1975 Lannen Fire 160 acres in total 119 acres here

  And 14 smaller fires. The most recent was the 2025 Eaton Fire, which burned 629 acres here. In all, 665 acres of Sierra Madre 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