A speeding car crashed 150-feet into a ravine off the Columbia River Highway late Wednesday night.
The Multnomah County Sheriff's Office says the crash happened near Shepperd's Dell.
A 17-year-old female passenger suffered serious injuries and was flown on LifeFlight to a hospital. The 18-year-old male driver suffered minor injuries and another 17-year-old female passenger wasn't hurt.
Investigators say excessive speed was the primary cause of the crash.