Round Fire (1966): burned area, damage and fire history

Key facts

Started	August 7, 1966
Contained	Not recorded
Burned	20,864 acres 2nd largest fire of 1966
Cause	Campfire

Open map

Where it burned

County

Lake County 20,863 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

The same land, other fires

Burned before

1923 Streeter Ridge Fire 14,996 acres in total · Cause: Miscellaneous 2,123 acres shared
1929 Garrett Mtn Fire 1,115 acres in total · Cause: Miscellaneous 356 acres shared
1932 Big Rock Fire 1,876 acres in total · Cause: Miscellaneous 1,768 acres shared
1939 Elk Mtn Fire 1,929 acres in total · Cause: Miscellaneous 1,392 acres shared
1939 Enterprise Fire 675 acres in total 1 acre shared
1944 Bevins Flat Fire 3,144 acres in total · Cause: Equipment use 1,962 acres shared

Burned again

1996 Fork Fire 83,057 acres in total · Cause: Arson 3 acres shared
2018 Ranch Fire 410,202 acres in total · Cause: Miscellaneous 20,862 acres shared

Acres are the land each fire shares with the Round Fire, and fires that shared 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

Sources

Fire history: CAL FIRE Fire and Resource Assessment Program; Published 28 July 2026
Building damage: CAL FIRE Damage Inspection; Updated 19 October 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data