Rock Island USGS Rock Island Dam Quad, Washington, Topographic Map

Rock Island is an Island in the state of Washington (county of Douglas), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 47.3443 and W -120.09784. Rock Island is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Rock Island Dam quad. The nearest major town is Rock Island, WA.