A significant wildfire erupted off Freeway 71 in Chino Hills, California, on Wednesday afternoon, rapidly spreading to over 100 acres, according to the latest update on Watch Duty. Initially reported at 10 acres, the fire has since grown, prompting increased responses from local authorities.
Euclid Fire Update: SR 71 Fwy Closure
🚧 DETOUR
• SB 71 traffic diverted at Butterfield Ranch Rd📷 CLOSURES
• NB 71 from 91
• SB 71 from Pine Ave
• SB 71 from Soquel Canyon Pkwy#CHPRanchoCucamonga #TrafficAlert #BrushFire #71Freeway #ChinoHills… https://t.co/CXiDrgAcGj pic.twitter.com/DPRZWppISB— LoudFact (@loudfactcom) July 23, 2025
Chino Valley Fire is on scene of a vegetation fire on Highway 71 south of Euclid/Butterfield Ranch Road. Both directions of Highway 71 are closed. Avoid the area. #EuclidIncident pic.twitter.com/Isn51RrHJI
— Chino Valley Fire (@cvifd) July 23, 2025
Fire Location and Impact on Traffic
The incident command has designated the blaze as the Euclid Fire, located at the eastern end of Chino Hills State Park, bordering the Corona Freeway (Freeway 71). As the fire spreads, it has begun to encroach onto Freeway 71, resulting in blocked traffic along the route. Incident command confirmed that the southbound lanes of the Corona Freeway are now closed.
Authorities are urging drivers to avoid the area due to the ongoing situation. “Both directions of Highway 71 are closed south of Euclid/Butterfield Ranch Road. The 91 to the 71 northbound is also closed. I recommend taking the 15 or the 57 as alternate routes,” officials stated.
Here’s a map of the fire:
@FirePhotoGirl Euclid fire pic.twitter.com/UFA4rixkas
— K (@Royallaker) July 23, 2025
Emergency Response
Multiple firefighting engines are on-site as the fire continues to spread rapidly eastward into the Prado Basin. Air support is also deployed to assist in controlling the blaze.
Residents and travelers are advised to stay updated on the developments of the Euclid Fire and to use caution when navigating the impacted areas.
This developing situation highlights the need for community awareness and swift action from emergency responders amidst ongoing wildfire threats in California. Further updates will be provided as more information becomes available.
