Police have made a fresh appeal for witnesses to come forward following a fatal road traffic collision in Abertysswg.
The crash happened at around 10am on February 9 this year on the mountain road between Markham Common and Cefn Golau Cemetery, near to the Mountain Ash Inn.
The car, a brown Citroen Picasso, left the road and rolled down the mountain.
Passenger Carla Jones, aged 25 from Abertysswg, received fatal injuries and died on Sunday, March 27.
The driver of the vehicle, a 48-year-old man, received hospital treatment for his injuries and has since been released.
Anyone who may have been in the area or using the road around at the time of the collision can call Gwent Police on 101 quoting log: 94 09/02/16.