Rainier is a city in Columbia County, Oregon, United States. The city's population was 1,895 at the 2010 census. Rainier is on the south bank of the Columbia River across from Kelso and Longview, Washington.
Rainier, Oregon
A panorama of Rainier, Oregon, from Longview, Washington. This is a montage of eight separate photographs and can be scrolled.
View across the Columbia River in 1973
Rainier Marina
Columbia County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 52,589. The county seat is St. Helens.
Columbia County Courthouse in St. Helens
Columbia County Sheriff's Office
The CC Rider transit service links the county to Portland and points in Washington County, including connecting with TriMet buses and the MAX light rail system in eastern Hillsboro.