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Wildfire perimeter

VALLEY

Burned 76,085 acres (308 km², 118.9 mi²) in CA during 2015.

IRWIN {1ECD4627-2DD5-4… USFS CA fire history 2015 fires
Acres burned
76,085
308 km²
Year
2015
FIRE_YEAR field
State
CA
POOState region
Reporting agency
USFS
NIFC source
01 Perimeter shape

The fire's footprint

Simplified polygon (≤0.001° tolerance). 9 rings. Centroid 38.787°, -122.617°.

NW: 38.901°N, 122.780°W SE: 38.674°N, 122.453°W

About this perimeter

Sourced from the NIFC InterAgency Fire Perimeter History ArcGIS service. Polygon geometry has been simplified to ≤0.001° tolerance for storage; original full-fidelity perimeters are at fire.nifc.gov. We track all 75,044 documented historical perimeters; this detail view renders the top 1,000 by acreage. The shape above is rendered fully server-side with no JavaScript or external mapping library — it preserves the polygon's shape but not its precise geographic placement on a basemap.