Two women were injured, one critically, when their car left the road and plunged into the Tweed River at Condong on Friday afternoon.
A woman, who was a passenger in the vehicle when it left the Tweed Valley Way, suffered critical injuries and was treated by NSW Ambulance paramedics before being taken to The Tweed Hospital.
The driver, aged in her 30s, was also taken to The Tweed Hospital. Her injuries are not believed to be life-threatening. Police are investigating the accident, which happened just before 1.50pm.
The road was temporarily closed and traffic diverted after the accident.