Highway 178 at the Mouth of the Canyon is closed due to mud and rock slides.
According to the California Highway Patrol, multiple rock slides and mud slides along the 178 caused the closure starting at the Mouth of the Canyon.
KERN, Update: State Route 178 will remain closed through the night in Kern Canyon. No ETO at this time. pic.twitter.com/RoGydIC8og
— Caltrans District 6 (@caltransdist6) January 5, 2017
It's not known how long the canyon will be closed.