Plum River
The Plum River is a tributary of the Mississippi River, about long, in northwestern Illinois in the United States. It rises in Jo Daviess County and flows generally south-southwestwardly into Carroll County, where it joins the Mississippi at Savanna. Among its several short tributaries are:
The East Plum River, which rises in Stephenson County and flows southwestwardly into Carroll County, joining the Plum at
The Muddy Plum River, which flows for its entire length in Jo Daviess County. It jo