UPDATE 4.32pm: A man has been flown to The Alfred in Melbourne following a motorcycle crash near Maryborough.
Air Ambulance was called to convey the man to hospital after he came off his bike at Adelaide Lead about 1:20pm.
An Ambulance Victoria spokesman said the man was in a serious condition.
EARLIER: An Air Ambulance is attempting to land at Adelaide Lead, near Maryborough, after a man came off his motorcycle.
An Ambulance Victoria spokesman said the man sustained injuries to his pelvis and leg.
The motorcyclist is believed to have crashed into a tree.
Emergency services received the call for help about 1:20pm.
Police and paramedics are among the units at the scene.