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Firefighters slow growth of the Oak Fire burning in Mariposa County

An air tanker flies over forest dropping fire retardant as a massive smoke cloud rises in the background.
Noah Berger
An air tanker drops retardant while trying to stop the Oak Fire from progressing in Mariposa County, Calif., on Sunday, July 24, 2022.

Updated Monday July 25, 2022 at 8:51am

Firefighters significantly slowed the spread of a smoky wildfire churning through forest near Yosemite National Park that has thousands of residents of remote mountain communities still under evacuation orders on Monday.

Crews “made good headway” against the Oak Fire, according to a Sunday night incident report by Cal Fire. “Fire activity was not as extreme as it has been in previous days.”

More than 2,500 firefighters with aircraft support battled the blaze that erupted Friday southwest of the park near the town of Midpines in Mariposa County. Officials described “explosive fire behavior” on Saturday as flames made runs through bone-dry vegetation caused by the worst drought in decades.

By Monday morning the blaze had consumed 16,791 of forest land, with 10% containment, Cal Fire said. The cause was under investigation.

Firefighters working in steep terrain on the ground protected homes as air tankers dropped retardant on 50-foot flames racing along ridgetops east of the tiny community of Jerseydale. Personnel face tough conditions that include steep terrain, sweltering temperatures and low humidity, Cal Fire said.

Light winds blew embers ahead into tree branches “and because it’s so dry, it’s easy for the spot fires to get established and that’s what fuels the growth,” said Cal Fire spokesperson Natasha Fouts.

Evacuations were in place for over 6,000 people living across a several-mile span of the sparsely populated area in the Sierra Nevada foothills, though a handful of residents defied the orders and stayed behind, said Adrienne Freeman with the U.S. Forest Service.

“We urge people to evacuate when told,” she said. “This fire is moving very fast.”

Lynda Reynolds-Brown and her husband, Aubrey, awaited news about the fate of their home from an evacuation center at an elementary school. They fled as ash rained down and the fire descended a hill towards their property.

“It just seemed like it was above our house and coming our way really quickly,” Reynolds-Brown told KCRA-TV.

Gov. Gavin Newsom proclaimed a state of emergency for Mariposa County due to the fire’s effects.

Flames destroyed at least 10 residential and commercial structures and damaged five others, Cal Fire said. Assessment teams were moving through mountain towns to check for additional damage, Fouts said.

Numerous roads were closed, including a stretch of State Route 140 that’s one of the main routes into Yosemite.

California has experienced increasingly larger and deadlier wildfires in recent years as climate change has made the West much warmer and drier over the past 30 years. Scientists have said weather will continue to be more extreme and wildfires more frequent, destructive and unpredictable.

Pacific Gas & Electric said on its website that more than 2,600 homes and businesses in the area had lost power as of Monday and there was no indication when it would be restored. “PG&E is unable to access the affected equipment,” the utility said as flames roared Friday.

The Oak Fire was sparked as firefighters made progress against an earlier blaze, the Washburn Fire, that burned to the edge of a grove of giant sequoias in the southernmost part of Yosemite National Park. The 4,866-acre fire was 87% contained after burning for two weeks and moving into the Sierra National Forest.


Weber contributed from Los Angeles.


Resources for Mariposa County residents:

Evacuation information is available on the Mariposa County Public Information Map here.

Cal Fire information line: 844-668-3473

Current evacuation shelters (as of Sunday night):

Mariposa Elementary School
5044 Jones Street
Mariposa, CA 95338

Large Animal Shelter
Mariposa County Fairgrounds
5007 Fairgrounds Road
Mariposa, CA 95338

Coarsegold Rodeo Grounds
44777 Rodeo Grounds Lane
Coarsegold, CA 93614

Small Animal Shelter
Mariposa Elementary School
5044 Jones Street
Mariposa, CA 95338

Mariposa SPCA
5599 Highway 49 N

For more updates, check the County of Mariposa's Incident Page.