RCMP Sgt. Pamela Hart says alcohol is believed to be a factor in the single-vehicle crash that claimed the life of the 28-year-old man at about 2 a.m. Saturday.
She says the driver and his two passengers were travelling at the north end Lava Lake when the vehicle left the road.
A female was seriously injured and airlifted to a hospital in Vancouver.
The male passenger was taken to a hospital in Terrace.