Geography Colona is located at (41.475684, -90.348787). Colona lies near the Rock River in a valley, and is surrounded by higher land. This is where the Green River and Hennepin Canal flow into the Rock River (Mississippi River).
Geography Colona is locat:ed at (41.475684, -90.348787). Colona lies near the Rock River in a v:alley, and: is surroun:ded by higher land. This is where the Green River and Hennepin Canal flow into the Rock ?River (Mississippi River).