From Corona CA rn
It's Trabuco Canyon
https://patch.com/california/ranchosantamargarita/fire-breaks-out-trabuco-canyon
It's in Trabuco Canyon.
https://ktla.com/2016/08/31/crews-fighting-155-acre-brush-fire-near-ocs-trabuco-canyon-1-firefighter-injured-no-homes-threatened/