Bancroft Provincial Police report a Polaris 800XC was traveling northwest on Bentley Lake and struck a tree on shore just before 4 p.m.
The driver and the passenger were ejected from the snowmobile, police say.
The driver, Michael O’Day, 48, of Faraday Township was taken by ambulance to hospital in Bancroftwith serious non-life threatening injuries. He was later transferred to Kingston General Hospital.
The passenger, a 45 year old Peterborough man, wasn’t hurt.
The investigation continues.