A motorist whose truck tumbled about 100 feet down a Southern California bluff was rescued after being trapped at the bottom of a ravine for nearly five days, authorities said.

Rescue crews responded Saturday after receiving a report of a badly damaged pickup at the base of a steep hill southeast of Bakersfield, according to the Kern County Fire Department.

A firefighter who was lowered down with a rope determined that the motorist was injured and had been trapped inside the truck since crashing last Tuesday near Stallion Springs, according to the department's incident report.

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Three more firefighters were then lowered into the ravine and the individual, who has not been identified, was placed in a rescue basket and pulled to safety. The individual was then airlifted to a hospital in unknown condition, officials said.

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A motorist from California was saved after being trapped in a ravine for nearly five days. (Fox News)

The California Highway Patrol and the Stallion Springs Police Department assisted in the rescue.

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The cause of the crash was under investigation Sunday.