Gates Park Fire

198842,484 acresMontana

The Gates Park Fire burned 42,484 acres, about 66 square miles, across 2 counties. It began on July 11, 1988.

Watch how it happened

Gates Park Fire · 1988

How it happened

See how severely each place burned, revealed outward from where it started.

About this replay
IgnitionJuly 11, 1988Historical replay — order not recorded
Final area42,484 ac
Revealed—
Counties2

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 Gates Park Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered53%22,495
Moderatemixed: many trees killed, some survive15%6,562
Lowsurface fire, most trees survive14%5,897
Unburned to lowislands inside the perimeter, little change12%5,192
Increased greennessvegetation greener after the fire than before0.6%235
Not mappedcloud, shadow or water in the satellite images5.0%2,103

53% of the area inside the perimeter burned at high severity, about 22,495 acres; 68% 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
Lewis and Clark CountyMT24,657
Teton CountyMT17,835

Other large fires in Montana in 1988

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