(Washougal, WA) -- A teenager was killed in a crash Saturday morning in a rural area north of Washougal. The Clark County Sheriff's Office says a car with three 17-year-old girls collided with another car at Southeast 20th and 352 Avenue. A 17-year-old girl, who was a passenger in the back seat , suffered serious injuries and died at a hospital. The driver of the other car remained at the scene and cooperated with the investigation.