High Park Fire

201290,698 acresColorado

The High Park Fire burned 90,698 acres, about 142 square miles, across Larimer County. It began on June 9, 2012.

Watch how it happened

High Park Fire · 2012

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections3,361satellite fire pixels

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the High Park Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered22%19,643
Moderatemixed: many trees killed, some survive26%23,403
Lowsurface fire, most trees survive28%25,565
Unburned to lowislands inside the perimeter, little change19%17,576
Increased greennessvegetation greener after the fire than before0.6%536
Not mappedcloud, shadow or water in the satellite images4.4%3,974

22% of the area inside the perimeter burned at high severity, about 19,643 acres; 47% burned at moderate or high severity.

Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.

Where it burned

Acres inside each county, measured from the satellite-mapped perimeter.

Acres burned by county
Larimer CountyCO90,768

Other large fires in Colorado in 2012

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.