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Inactive

Biscar

Lassen, CA · Undetermined

This fire is no longer active. It burned 69,355 acres in Lassen before dropping off the national incident feed.

0%Inactive

69,355

Acres Burned

115

Days Burning

Jul 18, 2026

Discovered

3w ago

Last Update

Growth

Grew 3 acres in the last day
Aug 3 / 69,352 acresOct 17 / 69,355 acres

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Public Lands Nearby

12 public land units within 75 miles

Caribou Wilderness

Check first

Wilderness / CA

48.6 mi

W

South Warner Wilderness

Go

Wilderness / CA

49.1 mi

N

Lassen National Forest

Check first

National Forest / CA

53.5 mi

W

Plumas National Forest

Check first

National Forest / CA

54.2 mi

SW

Lassen Volcanic Wilderness Area

Check first

Wilderness / CA

57.9 mi

W

Lassen Volcanic National ParkClosures in effect

Closed

National Park / CA

58.6 mi

W

Modoc National Wildlife Refuge

Go

Wildlife Refuge / CA

59.2 mi

N

Anaho Island National Wildlife Refuge

Go

Wildlife Refuge / NV

62 mi

SE

Calico Mountains Wilderness Area

Go

Wilderness / NV

62.8 mi

NE

Little High Rock Canyon Wilderness Area

Go

Wilderness / NV

64.5 mi

NE

Bucks Lake Wilderness

Check first

Wilderness / CA

65.1 mi

SW

Thousand Lakes Wilderness

Go

Wilderness / CA

67.5 mi

W

Official Park Alerts

Closures and dangers published by the National Park Service

Park Closure / Lassen Volcanic National Park

Lassen National Park Highway Closed to Vehicle Traffic

The park road (Hwy 89), is closed to through travel due to ice and fallen rock. Visitors can enter the park at the northwest entrance and travel 10 miles to the road closure at Devastated Area. Or enter the southwest entrance and travel 1-m...

Situation Updates

Posted by the incident management team on InciWeb, plus changes read from NIFC interagency perimeter data

BISCAR mapped at 69,352 acres, 100% contained

Perimeter data
Aug 2

Interagency perimeter data shows the BISCAR at 69,352 acres, 100% contained.

IRWIN

BISCAR mapped at 69,352 acres, 99% contained

Perimeter data
Aug 1

Interagency perimeter data shows the BISCAR at 69,352 acres, 99% contained.

IRWIN

BISCAR mapped at 69,352 acres, 98% contained

Perimeter data
Jul 29

Interagency perimeter data shows the BISCAR at 69,352 acres, 98% contained.

IRWIN

BISCAR mapped at 69,352 acres, 97% contained

Perimeter data
Jul 28

Interagency perimeter data shows the BISCAR at 69,352 acres, 97% contained.

IRWIN

BISCAR update: 69,352 acres, 92% contained

Perimeter data
Jul 27

Per interagency perimeter data, the BISCAR was remapped 3 acres lower to 69,352 and containment moved from 89% to 92%.

IRWIN

Biscar Fire Daily Update 07-26-2026

Incident team
Jul 26

Biscar Fire Update for July 26, 2026 Public Information: (530) 593-2279 Email: 2026.biscar@firenet.gov Start Date: July 18, 2026 Size: 69,352 acres Cause: Lightning Location: Lassen County, CA / Washoe County, NV Percent Contained: 92% California Team 3: Oscar Vargas, IC Fire Resources: 555 personnel. Fire Activity: Fire activity has been light to moderate despite elevated fire weather conditions....

InciWeb

BISCAR mapped at 69,355 acres, 89% contained

Perimeter data
Jul 26

Interagency perimeter data shows the BISCAR at 69,355 acres, 89% contained.

IRWIN

Biscar Fire Daily Update 07-25-2026

Incident team
Jul 25

Biscar Fire Update for July 25, 2026 Public Information: (530) 593-2279 Email: 2026.biscar@firenet.gov Start Date: July 18, 2026 Size: 69,344 acres Cause: Lightning Location: Lassen County, CA / Washoe County, NV Percent Contained: 89% California Team 3: Oscar Vargas, IC Jason Wingard, IC (T) Jim Snow, Deputy IC Fire Resources: 541 personnel. Fire Activity: Fire activity has been moderate, and the...

InciWeb

BISCAR mapped at 69,344 acres, 68% contained

Perimeter data
Jul 25

Interagency perimeter data shows the BISCAR at 69,344 acres, 68% contained.

IRWIN

BISCAR mapped at 69,344 acres, 42% contained

Perimeter data
Jul 24

Interagency perimeter data shows the BISCAR at 69,344 acres, 42% contained.

IRWIN

BISCAR mapped at 69,320 acres, 10% contained

Perimeter data
Jul 23

Interagency perimeter data shows the BISCAR at 69,320 acres, 10% contained.

IRWIN

BISCAR mapped at 69,207 acres, 5% contained

Perimeter data
Jul 22

Interagency perimeter data shows the BISCAR at 69,207 acres, 5% contained.

IRWIN

BISCAR mapped at 40,000 acres, 5% contained

Perimeter data
Jul 21

Interagency perimeter data shows the BISCAR at 40,000 acres, 5% contained.

IRWIN

BISCAR mapped at 12,338 acres, 5% contained

Perimeter data
Jul 20

Interagency perimeter data shows the BISCAR at 12,338 acres, 5% contained.

IRWIN

BISCAR mapped at 12,338 acres, 0% contained

Perimeter data
Jul 20

Interagency perimeter data shows the BISCAR at 12,338 acres, 0% contained.

IRWIN

Timeline

Jul 18Now

115 days since discovery

Other Fires in California

7 other active fires

California wildfire map: every fire burning in the state and the past year's fires. Planning a trip? California national parks guide.

Data Sources

Fire data from NIFC Wildland Fire Interagency Geospatial Services (WFIGS) via IRWIN. Satellite hotspots from NASA FIRMS VIIRS. Situation updates are either posted by the incident management team on InciWeb or read by us from WFIGS perimeter data, and each one says which. Air quality data from EPA AirNow. Public lands boundaries from USGS PAD-US 4.0.

IRWIN ID: e3094e35-8b33-4a82-be4b-d2e83652c29f

Important

More Than Just Parks aggregates third-party data from EPA AirNow, NOAA, NASA FIRMS, and NIFC/WFIGS. Readings can be delayed, estimated, incomplete, or wrong, and conditions on the ground change quickly. This tool is for general information only and is not a substitute for official air quality alerts, fire and evacuation orders, land manager closures, or emergency services. Verify with the managing agency and local authorities before making any travel, health, or safety decision. We make no warranty as to accuracy and accept no liability for decisions made using this information. This is not an emergency or evacuation tool. If you are near a fire, follow official evacuation orders and call 911. Terms of Service.