Published Sunday, 04 May 2014
Gardaí are appealing for witnesses to come forward. (© Pacemaker)
The collision happened on the N13 near Newtowncunningham at around 3.30pm on Saturday.
Information was not released on where the woman was from.
Her body was removed to Letterkenny General Hospital for a post-mortem examination.
Three children travelling in the car at the time were taken by ambulance to Altnagelvin Hospital - one child was transferred to the Royal Hospital for Sick Children on Sunday.
All three are in a stable condition.
The driver of the bus was uninjured.
The road was closed for a period while Garda forensic collision investigators examined the scene.
Gardaí are appealing for witnesses or anyone with information to contact Letterkenny Garda Station.
© UTV News