Closure starts at Lockwood Valley Road
Highway 33 south to Ojai, and Ventura is closed.
The road is closed between Lockwood Valley Road and Fairview Road in Ojai due to mud and rock slides.
According to the California Highway Patrol, the roadway was closed at 10 a.m after mud and rocks covered both lanes of the highway in the Wheeler Springs area.
Caltrans crews were working to clear at least one lane.
There is no estimate on when the highway will reopen.