Stormont, Dundas & Glengarry Ontario Provincial Police OPP say Andrew Chisholm of North Glengarry was killed when his motorcycle collided with another vehicle on County Road 20 at County Road 24.
Officers attended the scene of the crash on what is commonly known as 'Highland Road,' at 5:13 p.m., Tuesday.
Investigators determined that a motorcycle was travelling northbound on County Road 20 when, for reasons still under investigation, a southbound passenger vehicle turned toward County Road 24 and collided with the bike.
The 59-year-old motorcycle driver was pronounced deceased at scene.
The driver of the passenger vehicle was not injured.
SD&G OPP continue to investigate the collision with the assistance of the OPP Traffic Collision Investigators (TCI).
A section of County Road 20 and County Road 24, North Glengarry Township was closed to traffic but had since been re-opened.
Anyone having information on the above or any crime is asked to call SD&G OPP at 1-888-310-1122 or crime stoppers at 1-800-222-8477.