A female motorcyclist was airlifted to St George Hospital this morning after crashing in the Royal National Park and suffering serious head injuries.
The woman was riding on Sir Bertram Stevens Drive when she came off her motorcycle about 11.15am.
A NSW Ambulance Service spokesman said paramedics rushed to the scene and found the woman drifting in and out of consciousness.
She was taken by ambulance helicopter to St George Hospital in a serious but stable condition.