The data source is California Department of Forestry and Fire Protection The Fire Perimeters data consists of CDF fires 300 acres and greater in size and USFS fires 10 acres and greater throughout California from 1950 to 2003.

The map is intended for planning use only and not intended to be site-specific, Rather, they depict the general risk within neighbourhoodsand the relative risk from community to community.

Map of Historic Fire Perimeters