
The 56-year old was pronounced dead at the scene.
Police said she was travelling alone when her car was involved in an accident between Alness and Achandunie, near Millcraig Road.
Police are trying to establish when the accident, which involved a Toyota Rav4, happened.
Sgt Kate Park said: "I am urging anyone who was driving on this road between 22:30 on Saturday evening, and 00:40 on Sunday morning who witnessed this take place to contact us."