STARS Air Ambulance was called out to transport an injured cyclist near Canmore this morning.
It happened at approximately 11:45 a.m. on Highway 1, around 1 km east of Lac Des Arcs.
RCMP responded to a call of an injured 74-year-old man from Canmore.
Mounties are still investigating but believe the cyclist lost control of his bike and then fell and hit his head on the road.
He's said to have suffered serious injuries.
There were numerous witnesses on the scene and a number of people were there to provide assistance while waiting for EMS to arrive.
Road conditions were bare and dry but it was quite windy at the time.
RCMP do not believe the man was wearing a helmet.
There was a loaded trailer attached to his bicycle at the time of the fall.