Sierra Fire – A Tier 2 vegetation fire burning near Boccardo Peak is seen from Alum Rock, with about 5 acres affected and a slow spread in low grass. San Jose Fire Department said no structures are threatened and urged residents to avoid the area, even as residents shared a
The Sierra Fire near Boccardo Peak lit up the east hills above San Jose on Thursday, June 25, and residents in Alum Rock watched a large section of hillside burn as night fell.
The fire—located around the 5300 Block of Sierra Road in the east foothills—was seen from Alum Rock and reported by WatchDuty to be at 5 acres at the time of writing. The spread was described as slow in low grass, and for now, San Jose Fire Department said no structures are under threat.
In an update shared by the San Jose Fire Department. officials said firefighters are responding to a Tier 2 vegetation fire in the area of the 5000 block of Sierra Road in the east foothills. The department wrote that the blaze is approximately 5 acres in size. has a slow rate of spread. and that no structures are threatened at this time. They added a clear warning to residents: “Please avoid the area.”.
So far, a cause for the Sierra Fire has not been confirmed. The fire department also reported no known injuries, and no evacuation notices have been sent out for Alum Rock residents because the fire does not appear to be threatening nearby structures.
While the official situation description has stayed steady—limited acreage. slow spread. no structure threat—people in the neighborhood posted visuals showing how close the fire appears to be. One person wrote, “Major fire near Alum Rock, San Jose. Police helicopter hovering.” Another said, “Fire in the east San Jose hills in Alum Rock Park.”.
Some posts described the scale they could see from their homes. A resident wrote. “The East side is on fire by Alum rock park. ” and another shared a caption stating. “Watching the fire to the east of our house in Alum Rock Park.” A local also posted a video with a lone helicopter hovering over the blaze. saying. “North side of Alum Rock Park. They dispatched about 25 fire departments to it. They’re making a lot of noise. This is from my backyard,” along with other photos of the ongoing Sierra Fire.
Not all reactions matched what the city had said about the fire’s threat level, but the worry was palpable. One Facebook commenter wrote. “You can clearly see it from the Southside looks like two roads of inferno. ” and another added. “Crazy people up to no good has to be teenagers.” Another resident. reacting to what they could see from afar. wrote alongside a photo. “Alum rock fire… I guess it’s Mount Hamilton.”.
A San Jose real estate agent also shared a video saying, “Happening now: Alum Rock park fire.” Several other clips showed flames burning strongly in the hills, including a road-side view in the dark where a wide stretch of hillside appeared to be ablaze.
The situation remains fluid only in the ways fire often does: officials have not confirmed a cause. and while they report no structure threat and no evacuations for now. they continue to urge people to stay away from the area as firefighters work the scene near Sierra Road and the Alum Rock foothills.
Sierra Fire Alum Rock San Jose Fire Department Tier 2 vegetation fire Boccardo Peak Sierra Road Santa Clara County evacuation notices WatchDuty