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Inactive

Grotto

Idaho, ID · Natural

This fire is no longer active. It burned 3,856 acres in Idaho before dropping off the national incident feed.

0%Inactive

3,856

Acres Burned

104

Days Burning

Jul 29, 2026

Discovered

2w ago

Last Update

Growth

No growth in the last day, containment at 100%
Aug 6 / 20 acresOct 23 / 3,856 acres

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Public Lands Nearby

11 public land units within 75 miles

Selway-Bitterroot Wilderness

Go

Wilderness / ID

16.7 mi

SE

Clearwater National Forest

Check first

National Forest / ID

20.9 mi

N

Nezperce National Forest

Go

National Forest / ID

32.6 mi

SW

Bitterroot National Forest

Go

National Forest / MT

48.8 mi

E

Lee Metcalf National Wildlife Refuge

Go

Wildlife Refuge / MT

52.6 mi

NE

Gospel-Hump Wilderness

Go

Wilderness / ID

57.1 mi

SW

Aerial Fire Depot Other

Go

National Forest / MT

66.2 mi

NE

Frank Church-River of No Return Wilderness Area

Go

Wilderness / ID

68.1 mi

SW

Lolo National Forest

Go

National Forest / MT

68.8 mi

NE

Welcome Creek Wilderness

Go

Wilderness / MT

69 mi

E

St. Joe National Forest

Check first

National Forest / ID

69.7 mi

NW

Situation Updates

Changes read from NIFC interagency perimeter data

Grotto update: 3,856 acres, 100% contained

Perimeter data
Oct 9

Per interagency perimeter data, the Grotto containment moved from 50% to 100%.

IRWIN

Grotto update: 3,856 acres, 50% contained

Perimeter data
Sep 22

Per interagency perimeter data, the Grotto containment moved from 20% to 50%.

IRWIN

Grotto update: 3,856 acres, 20% contained

Perimeter data
Sep 15

Per interagency perimeter data, the Grotto containment moved from 0% to 20%.

IRWIN

Grotto update: 3,856 acres, 0% contained

Perimeter data
Sep 8

Per interagency perimeter data, the Grotto grew 7 acres to 3,856.

IRWIN

Grotto update: 3,849 acres, 0% contained

Perimeter data
Aug 31

Per interagency perimeter data, the Grotto grew 678 acres to 3,849.

IRWIN

Grotto update: 3,171 acres, 0% contained

Perimeter data
Aug 28

Per interagency perimeter data, the Grotto grew 1,971 acres to 3,171.

IRWIN

Grotto update: 1,200 acres, 0% contained

Perimeter data
Aug 27

Per interagency perimeter data, the Grotto grew 38 acres to 1,200.

IRWIN

Grotto update: 1,162 acres, 0% contained

Perimeter data
Aug 25

Per interagency perimeter data, the Grotto grew 257 acres to 1,162.

IRWIN

Grotto update: 905 acres, 0% contained

Perimeter data
Aug 21

Per interagency perimeter data, the Grotto was remapped 95 acres lower to 905.

IRWIN

Grotto update: 1,000 acres, 0% contained

Perimeter data
Aug 20

Per interagency perimeter data, the Grotto grew 100 acres to 1,000.

IRWIN

Grotto update: 900 acres, 0% contained

Perimeter data
Aug 13

Per interagency perimeter data, the Grotto grew 457 acres to 900.

IRWIN

Grotto update: 443 acres, 0% contained

Perimeter data
Aug 10

Per interagency perimeter data, the Grotto grew 423 acres to 443.

IRWIN

Grotto mapped at 20 acres, 0% contained

Perimeter data
Aug 6

Interagency perimeter data shows the Grotto at 20 acres, 0% contained.

IRWIN

Timeline

Jul 29Now

104 days since discovery

Other Fires in Idaho

1 other active fire

Idaho wildfire map: every fire burning in the state and the past year's fires. Planning a trip? Idaho 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: 687d3124-6031-4c95-b574-6afb110fd389

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.