Mammoth Fire
The Mammoth Fire was reported on July 24, 2025 in Modoc County, California and burned 2,533 acres. It is 100 percent contained. The cause is listed as natural.
- Size
- 2,533 acres
- Contained
- 100%
- Discovered
- July 24, 2025
- Personnel
- 67
Map
Perimeter mapped May 12, 2026 at 3:54 PM PDT, 2,533 acres (auto-generated for inform). Point of origin 41.684, -121.324.
The incident
- Size
- 2,533 acres
- Containment
- 100%
- Discovered
- July 24, 2025 at 9:01 PM PDT
- Cause
- Natural
- Location
- 3 Miles N from Tionesta, CA
- County
- Modoc County
- State
- California
- Nearest city reported
- Tionesta
- Protecting agency
- USFS
- Jurisdiction
- USFS
- Land ownership at origin
- USFS
- Personnel assigned
- 67
- Incident management
- Type 4 IC, Type 4 Incident
- Primary fuel
- Short Grass (1 foot)
- Estimated cost to date
- $1,000,000
- Incident type
- Wildfire
- Unique fire identifier
- 2025-CAMDF-000535
- IRWIN identifier
- BC76BC01-A70B-4C29-A576-AB0D2DC49640
Weather in the area
This fire is no longer listed as current. The forecast for Tulelake, CA covers the area today.
Nearby
- Tulelake, CA20 miles northwest of the fire’s origin
- Altamont, OR42 miles northwest of the fire’s origin
- Alturas, CA43 miles east of the fire’s origin
- Klamath Falls, OR44 miles northwest of the fire’s origin
- McCloud, CA52 miles southwest of the fire’s origin
- Mount Shasta, CA57 miles southwest of the fire’s origin
California wildfires today Wildfires of 2025 All current fires
Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated May 12, 2026 at 3:54 PM PDT. Identifier 2025-CAMDF-000535.