Canyon Fire Rages Near Lake Piru, Sparks Evacuations Across Ventura and LA Counties
Under a fiery sky and amid searing August heat, a fast-moving wildfire known as the Canyon Fire erupted east of Lake Piru on Thursday, igniting fears and sending thousands scrambling to evacuate.
A Sudden Blaze in Extreme Heat
The fire began just south of Lake Piru in Ventura County around 1:30 p.m., quickly engulfing the dry brush. Fueled by temperatures nearing triple digits, gusty winds, and low humidity, the blaze intensified at an alarming rate. Within hours, what started as a 30–50-acre flare-up ballooned to over 1,000 acres by late afternoon—and by nightfall it had scorched nearly 4,800 acres. The fire also breached the Los Angeles County line, advancing toward Castaic. Despite aggressive firefighting efforts, containment remained at zero late into the evening.
Widespread Evacuations
Authorities issued evacuation orders for over 4,200 residents and approximately 1,400 structures in Los Angeles County. Another 12,500 residents were placed under evacuation warnings. In Ventura County, about 56 people from the Lake Piru recreation area were evacuated. Thousands more were affected by evacuation alerts in surrounding zones.
Firefighting Response Under Harsh Conditions
Over 250 firefighters, supported by multiple helicopters and airtankers, deployed a full-scale assault on the flames. Water-dropping aircraft relied on Lake Piru as a refill source—providing crucial support in the aerial suppression effort.
Why It Spread So Fast
Officials pointed to a trio of dangerous conditions: relentless heat (locally reaching around 100 °F), parched vegetation, and rugged terrain. These factors combined to create a volatile and rapidly evolving emergency.
Broader Wildfire Context
This fire is one of several currently burning across Southern California, contributing to a growing list of blazes that have far exceeded last year’s figures. With over 4,400 wildfires reported statewide so far in 2025 and more than 221,100 acres scorched, the state is enduring a notably severe wildfire season.