Shortly after 3 a.m. yesterday, Rainy River District OPP officers were notified of an motor vehicle in the ditch on Highway 11 about 20 km east of Atikokan.
Officers later located the vehicle near Highway 11 and 11B in the Township of Atikokan.
The driver, a 50-year-old Couchiching First Nation man, was showing signs of impairment.
He was arrested and taken to the OPP detachment for breath tests.
The driver subsequently was charged with impaired driving and having a blood alcohol content over 80 mg.
The vehicle also was impounded for the mandatory seven days.
The man will appear in court in Atikokan on April 13.