Border 6 Fire
- 100% Contained
- 2,525 Acres
- 1 County: San Diego
06/01/2026 6:54 AM
06/08/2026 1:44 AM
Under Investigation
CAL FIRE San Diego Unit
No team assigned
Tijuana River, Marron Valley
Status reports
Incident Updates
Fire is now 100% contained.
San Diego Unit Incident Management Team has transitioned off the incident.
Border 6 is contained to 95%. Overnight, firefighters experienced another marine layer pushing into the mountains, increasing relative humidity and helping solidify and aid fire containment.
Today, firefighters will continue to patrol and mop up any hotspots, and fire suppression repairs will continue.
The Border 6 Fire is 90% contained.
Crews assigned to the Border 6 Fire have begun suppression repair operations, rehabilitating existing roads and backhauling debris and equipment used during firefighting efforts.
Increased precipitation overnight further moderated fire activity and allowed firefighters to make additional progress. As a result, containment has increased to 85%.
Fire personnel will continue suppression repair, patrol, and mop-up operations to secure the fire perimeter and minimize impacts to the surrounding area
Road Closures Lifted on 6/4/2026 at 6:00 pm
- Barrett Truck Trail
- Tecate Peak Road
- Marron Valley Road
Evacuation Shelter Closed 6/3/2026 6:00 pm
County of San Diego Community Center
8735 Jamacha Boulevard
Spring Valley, CA 91977
Evacuation Warnings have been lifted for the following zones: on 6/3/2026 6:00pm
- SDC-2544
- SDC-2545
- SDC-2605
- SDC-2643
- SDC-2644
- SDC-2645
Infrared mapping has been completed on the Border 6 Fire. Total acreage is 2,617 acres, including 1,625 acres in the United States and 992 acres in Mexico.
The fire continues to burn in areas of dense, dry vegetation. Ground and aerial resources are making steady progress, reinforcing containment lines and conducting mop-up operations on remaining hot spots.
The Border 6 Fire is now 2,617 acres and 5% contained. The fire's perimeter from CAL FIRE remote sensing aircraft and the 3D map are available on this page.
San Diego Type 3 Incident Management Team is assigned to the Border 6 Fire.
The Border 6 Fire is now 1,000 acres and 5% contained.
The Border 6 Fire is now 700 acres.
The Border 6 Fire is now 650 acres.
Evacuation warnings have been placed. Please review the latest information and stay alert for further updates.
The fire activity has significantly increased and is running in alignment with the wind and slope.
The Border 6 Fire is now 300 acres.
The fire continues to burn in a remote area of the international border.
The Border 6 Fire is now 100 acres.
The Border 6 Fire is now 50 acres. The fire is in a remote area in rocky, difficult terrain. CAL FIRE aircrafts have been requested. Potential for extended attack.
The Border Fire is now 40 acres.
New incident in San Diego County - Border 6 Fire, is now 20 acres. Mexico actively fought the fire on their side until sunset and they are on the line as of this morning. As of last night the fire crossed the Tijuana River Drainage into the US, on the east side of Marron Valley.
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