Chino Hills

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 20,933 acres · 20 state, 20,914 local 73%
  2. High 2,849 acres · Local Responsibility Area 10%
  3. Moderate 752 acres · Local Responsibility Area 3%
  4. Non-wildland 4,052 acres · Local Responsibility Area 14%
  5. Not mapped by CAL FIRE 101 acres · Mostly federal land <1%

  28,688 acres of land in all, 20 in the State Responsibility Area and 28,567 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 19 fires that burned here

  Map
  1. 2008 Freeway Fire 30,305 acres in total · Cause: Vehicle 12,210 acres here
  2. 1980 Owl Fire 18,332 acres in total 10,702 acres here
  3. 2020 Blue Ridge Fire 13,695 acres in total 10,523 acres here
  4. 1990 Yorba Fire 7,884 acres in total 5,826 acres here
  5. 1990 Carbon Canyon Fire 4,978 acres in total 1,982 acres here
  6. 1947 Arnold No. 106 Fire 1,907 acres in total 1,791 acres here
  7. 1988 State Park Fire Cause: Miscellaneous 820 acres here
  8. 2002 Evening Fire 893 acres in total · Cause: Playing with fire 590 acres here
  9. 1983 Hills Fire Cause: Equipment use 581 acres here
  10. 1978 Soquel Fire 3,934 acres in total 550 acres here

  And 9 smaller fires. The most recent was the 2020 Blue Ridge Fire, which burned 10,523 acres here. In all, 18,583 acres of Chino Hills 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