Spring Valley

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 1,498 acres · 754 state, 744 local 32%
  2. High 243 acres · 8 state, 235 local 5%
  3. Moderate 228 acres · Local Responsibility Area 5%
  4. Non-wildland 1,984 acres · Local Responsibility Area 42%
  5. Not mapped by CAL FIRE 769 acres · Mostly federal land 16%

  4,722 acres of land in all, 763 in the State Responsibility Area and 3,190 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 13 fires that burned here

  Map
  1. 1970 Laguna Fire 174,162 acres in total · Cause: Campfire 928 acres here
  2. 1945 Unnamed fire 708 acres in total 625 acres here
  3. 1911 Unnamed fire 10,394 acres in total · Cause: Miscellaneous 253 acres here
  4. 1998 Jamacha Fire 148 acres here
  5. 1950 Wet Back Fire 3,955 acres in total 78 acres here
  6. 2025 Lodge Fire Cause: Campfire 77 acres here
  7. 1980 Trace Fire 57 acres here
  8. 1981 Assist #11 Fire 261 acres in total · Cause: Miscellaneous 51 acres here
  9. 2001 Jamacha Fire Cause: Playing with fire 40 acres here
  10. 2007 Harris 2 Fire 90,728 acres in total 34 acres here

  And 3 smaller fires. The most recent was the 2025 Lodge Fire, which burned 77 acres here. In all, 1,727 acres of Spring Valley 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