RCMP say when the 71-year-old man failed to return, his wife and a friend who had stayed in the vehicle decided to hike out of the rugged area together.
The two women, who are 69 and 66, were found alive by police and a search team from the nearby community of Crowsnest Pass.
The women, who are from the Fort Macleod area, say the man left the vehicle to get help on Sunday afternoon.
His body was found on Monday morning in an area accessible only by snowmobile.
“He was on the side of the road, he just appeared to have curled up and went to sleep,” Sgt. Keith Bott told Global Calgary.
“It appears that the hypothermia and the elements just got to him, where he just curled up on the side of the road and went to sleep.”
No names have been released.
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