56-year-old Linda Walker was reported missing last night at 8:30 and police think she left her home of her own accord.
The RCMP, Simonds Fire Department and York Sunbury Search and Rescue are all taking part in the search.
She is described as medium build, 5 feet four inches tall with blonde hair with brown streaks cut just below the ear.
She was last seen wearing a beige sweater with blue on it, black pants and size 8 white and blue sneakers.
Anyone with any information on Linda Walker's whereabouts are asked to contact police.
