At around 8 p.m. Friday night the Williams Lake RCMP Cariboo Chilcotin Traffic Services responded to a fatal single-vehicle crash on Likely Road, west of Big Lake.
An older model pick up truck left the roadway and entered a ditch, rolled over and ejected the driver and the passenger from the vehicle.
The female driver was deceased at the scene and a male passenger was transported to Cariboo Memorial Hospital with non-life threatening injuries.
The RCMP, in a news release, says neither occupants appeared to be wearing seat belts.
BC Ambulance, Central Cariboo Search and Rescue Auto Extrication and Big Lake Fire Department also attended the scene.
The Cariboo Chilcotin Traffic Services Unit is working in conjunction with the BC Coroners Service to determine the cause of the crash.