Provincial police are investigating, following a head-on crash that killed two people near Minett.
OPP say a vehicle travelling north Peninsula Road collided with a southbound vehicle on Saturday at around 4:30 p.m.
Two men, the driver and passenger of the northbound vehicle were pronounced dead at the scene. A 14-year-old girl, who was also a passenger in the vehicle, was airlifted to Toronto hospital with non-life threatening injuries.
The male driver of the southbound vehicle was transported to South Muskoka Memorial Hospital in Bracebridge with non-life threatening injuries.
Police have now closed Peninsula between Gregory Road and Halls Road, while the OPP technical traffic collision investigation unit probes the scene.
The road is expected to be closed for several hours.