Back to tracker
Inactive

Big Grass

Malheur, OR · Natural

This fire is no longer active. It burned 578,637 acres in Malheur before dropping off the national incident feed.

0%Inactive

578,637

Acres Burned

110

Days Burning

Jul 23, 2026

Discovered

1mo ago

Last Update

Growth

No growth in the last day, containment at 100%
Aug 7 / 280,000 acresSep 13 / 578,637 acres

Get fire alerts

Your browser sends the coordinates. We store the point to match fires against it, and never look up your address.

Free, no account. We email you to confirm first, and every alert carries a one-click unsubscribe.

Public Lands Nearby

9 public land units within 75 miles

North Fork Owyhee Wilderness Area

Go

Wilderness / ID

25.6 mi

E

Pole Creek Wilderness Area

Go

Wilderness / ID

37.8 mi

E

Owyhee River Wilderness Area

Go

Wilderness / ID

41.1 mi

SE

Little Jacks Creek Wilderness Area

Go

Wilderness / ID

56.9 mi

E

Big Jacks Creek Wilderness Area

Go

Wilderness / ID

63.4 mi

E

Steens Mountain Cooperative Management And Protection Area

Check first

NCA / OR

69.6 mi

W

Steens Mountain Wilderness Area

Check first

Wilderness / OR

71 mi

W

Morley Nelson Snake River Birds Of Prey National Conservation Area

Go

NCA / ID

71.1 mi

NE

Deer Flat National Wildlife Refuge

Go

Wildlife Refuge / ID

72.7 mi

N

Situation Updates

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

Big Grass Fire and Flint Fire Update 09-18-2026

Incident team
Sep 18

Southern Area Gray Team Prepares to Hand Off Operations As our time with the community comes to an end, the Southern Area Gray Team is preparing to transition command back to the local unit, and this will be our last posting. We want to express our deepest gratitude to the community members, local agencies and emergency responders for your extraordinary support, warm hospitality and close cooperat...

InciWeb

Big Grass Fire and Flint Fire Update 09-17-2026

Incident team
Sep 17

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 100% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 100% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Fire crew...

InciWeb

Big Grass Fire and Flint Fire Update 09-16-2026

Incident team
Sep 16

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 100% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 100% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Work on t...

InciWeb

Big Grass Fire and Flint Fire Update 09-15-2026

Incident team
Sep 15

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 100% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 100% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Recent ef...

InciWeb

Big Grass Fire and Flint Fire Update 09-14-2026

Incident team
Sep 14

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 100% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 100% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Repair of...

InciWeb

Big Grass Fire and Flint Fire Update 09-13-2026

Incident team
Sep 13

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 100% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 100% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Both the ...

InciWeb

BIG GRASS update: 578,637 acres, 100% contained

Perimeter data
Sep 13

Per interagency perimeter data, the BIG GRASS containment moved from 94% to 100%.

IRWIN

Big Grass Fire and Flint Fire Update 09-12-2026

Incident team
Sep 12

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: The primary...

InciWeb

Big Grass Fire and Flint Fire Update 09-11-2026

Incident team
Sep 11

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 9/11 Remembrance: A moment of ...

InciWeb

Big Grass Fire and Flint Fire Update 09-10-2026

Incident team
Sep 10

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Crews are m...

InciWeb

Big Grass Fire and Flint Fire Update 09-09-2026

Incident team
Sep 9

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Suppression...

InciWeb

Big Grass Fire and Flint Fire Update 09-08-2026

Incident team
Sep 8

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Operations ...

InciWeb

Big Grass Fire and Flint Fire Update 09-07-2026

Incident team
Sep 7

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR; Malheur County (OR) and Owyhee County (ID) Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID; Owyhee County (ID) Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Current Situation: Suppression...

InciWeb

Big Grass Fire and Flint Fire Update 09-06-2026

Incident team
Sep 6

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR Size/Containment: 578,637 acres, 94% contained Cause: Lightning Date Reported: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID Size/Containment: 6,936 acres, 90% contained Cause: Lightning Date Reported: August 25, 2026 Personnel Assigned: 304 | Hand Crews: 5 | Dozers: 7 | Engines: 12 | Water Tenders: 11 | Helico...

InciWeb

Big Grass Fire and Flint Fire Update 09-05-2026

Incident team
Sep 5

Big Grass Fire Location: 25 Miles Southwest of Jordan Valley, OR Acres Burned: 578,637 Containment: 94% Cause: Lightning Reported Date: July 23, 2026 Flint Fire Location: 8 Miles Northwest of Triangle, ID Acres Burned: 6,936 acres Containment: 90% Cause: Lightning Reported Date: August 25, 2026 Personnel Assigned: 310 | Hand Crews: 3 | Dozers: 4 | Engines: 11 | Water Tenders: 8 | Helicopters: 2 Cu...

InciWeb

Timeline

Jul 23Now

110 days since discovery

Other Fires in Oregon

14 other active fires

Oregon wildfire map: every fire burning in the state and the past year's fires. Planning a trip? Oregon 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: 6b0c72b3-0e12-4695-9022-e1113c0aa8d1

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.