Butte Valley

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 2,297 acres · State Responsibility Area 20%
  2. High 9,135 acres · State Responsibility Area 78%
  3. Moderate 170 acres · State Responsibility Area 1%
  4. Not mapped by CAL FIRE 110 acres · Mostly federal land 1%

  11,712 acres of land in all, 11,603 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

  The 10 largest of 14 fires that burned here

  Map
  1. 2018 Camp Fire 153,336 acres in total · Cause: Power lines 7,069 acres here
  2. 2008 Humboldt Fire 23,344 acres in total · Cause: Arson 4,198 acres here
  3. 1983 Hamlin Canyon Fire 2,634 acres in total 772 acres here
  4. 1992 Burton Fire 5,915 acres in total · Cause: Equipment use 706 acres here
  5. 1979 Clark Rd. #2 Fire 699 acres in total 684 acres here
  6. 1961 Lucky 7 Fire 614 acres here
  7. 1973 L. Seven Fire 678 acres in total 464 acres here
  8. 1958 S. Foster Fire 444 acres in total 391 acres here
  9. 1986 Durham Pentz #1 Fire 343 acres in total · Cause: Arson 295 acres here
  10. 1986 Durham Pentz #2 Fire Cause: Arson 285 acres here

  And 4 smaller fires. The most recent was the 2020 Clark Fire, which burned 106 acres here. In all, 8,966 acres of Butte 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