Kategori:Öarna i Columbia River i Oregon
Sidor i kategorin "Öarna i Columbia River i Oregon"
E
Eighteenmile Island
G
Goat Island (Columbia County, Oregon)
Government Island (Oregon)
H
Hayden Island, Portland, Oregon
S
Sand Island (Multnomah County, Oregon)
Sauvie Island
T
Tenasillahe Island