The Grey Bruce Ontario Provincial Police (OPP) responded to a report of a collision at the intersection of Highway 21 and Highway 6 in the Township of Georgian Bluffs at approximately 1:14 p.m. on Saturday.
One of the drivers, 77-year-old Loraine Newman, was transported to a local hospital where she was pronounced dead.
Police are continuing to investigate the incident.
Anyone with information is asked to call the OPP at 1-888-310-1122 or Crime Stoppers at 1-800-222-8477 (TIPS)