Boyle RCMP are investigating the deaths of two men found inside an ice fishing tent at Crow Lake Provincial Park on Saturday.
Authorities believe carbon monoxide poisoning from a heating source may have caused their deaths.
RCMP, along with Lac La Biche Fire/EMS and Fort McMurray Fish and Wildlife, responded to the remote location around 4 p.m. after receiving a report of the incident.
The victims have been identified as a 45-year-old man from Fort McMurray, Alberta, and a 37-year-old man from Labrador City, Newfoundland and Labrador.
An autopsy has been scheduled as the investigation continues. RCMP extended condolences to the families and friends of the deceased.