UPDATE 12.01pm:
Rescuers have found the woman and volunteer firefighters have used ropes and a stretcher to bring the woman from her vehicle to the roadside.
She was being taken by St John ambulance to Bay of Islands Hospital at Kawakawa to be checked for a head injury.
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Rescuers are frantically searching for an injured woman trapped in her car that has left a road in Northland.
The woman's car has left State Highway 10 near Puketona and Bulls Gorge, in the Bay of Islands about 10.40am, and although she is injured and "dazed" she is communicating with rescuers on her phone.