Elizabeth Hallahan, 55, was last seen at Tuross Head about 5pm on Wednesday, December 13.

Her vehicle was located with her personal belongings and clothing later that evening at nearby Coila Beach.

Police said Ms Hallahan has not been in contact since and her family hold serious concerns for her welfare.

She is described as being of Caucasian appearance, of medium build, with brown hair and hazel eyes.

Anyone with information is urged to contact police via Crime Stoppers on 1800 333 000 or use the Crime Stoppers online reporting page.