Onion Flat is a flat located in Washington County, Oregon. It appears on the Beaverton USGS 7.5-minute topographic quadrangle. The nearest populated place is Six Corners, approximately 1.3 miles to the SW.
Washington County · Oregon
Onion Flat is a flat located in Washington County, Oregon. It appears on the Beaverton USGS 7.5-minute topographic quadrangle. The nearest populated place is Six Corners, approximately 1.3 miles to the SW.