A cross-border brush fire that erupted in remote, rugged terrain near Tecate Peak continued spreading Thursday, scorching hundreds of open acres and prompting evacuation warnings but causing no structural damage or injuries as ground and airborne crews worked to subdue the flames.
By 7:36 a.m. Thursday, the fire has covered 2,617 acres and is 50% contained. The blaze roughly 30 miles southeast of downtown San Diego and remained fully uncontained, according to Cal Fire. The fire has prompted hard closures of Barrett Truck Trail and Tecate Peak Road while Marron Valley Road was limited to residents only. According to the latest update issued at 8:23 p.m. Wednesday, there were 130 personnel assigned to the fire with 10 engines, four water tenders, four helicopters and four hand crews at the scene.
#Border6Fire If you live near Dulzura, be aware of increased law enforcement and firefighting activity. A brush fire is burning south of Dulzura along the U.S./Mexico border.
— San Diego Sheriff (@SDSheriff) June 3, 2026
An EVACUATION WARNING is in place for the shaded areas in yellow shown in the map below. Be prepared to⦠pic.twitter.com/cAccSbO8IH
Evacuations
Due to improved containment, evacuation warnings have been lifted, according to the San Diego Sheriff's Department.
Ground crews labored over a rocky, mountainous landscape while battling the blaze along with personnel in air tankers and water-dropping helicopters, Cal Fire Capt. Mike Cornette said.
The cause of the blaze, which erupted south of Marron Valley Road at about 2 p.m. Monday, was under investigation.
