Fire crews from Bracknell and Crowthorne were called to the accident in Old Wokingham Road at about 8pm.
The cars were travelling in opposite directions when they hit each other.
The female, who was driving a Ford KA, required assistance from firefighters to be released from the car.
She suffered neck and back injuries and was taken to Royal Berkshire Hospital for further treatment.
Police closed the road for about an hour and a half.