Rock Island Passage is a channel located in Door County, Wisconsin. It appears on the Washington Island NE USGS 7.5-minute topographic quadrangle. The nearest populated place is Washington, approximately 7.0 miles to the WSW.
Door County · Wisconsin
Rock Island Passage is a channel located in Door County, Wisconsin. It appears on the Washington Island NE USGS 7.5-minute topographic quadrangle. The nearest populated place is Washington, approximately 7.0 miles to the WSW.