Plum River

The Plum River is a tributary of the Mississippi River, about 46.6 mi 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 42.17111°N, -90.02222°W
 * The Muddy Plum River, which flows for its entire length in Jo Daviess County. It joins the Plum River at 42.22639°N, -90.02917°W
 * The Middle Fork Plum River joins the Plum River at 42.27472°N, -90.03667°W
 * The North Fork Plum River has its confluence with the Plum River at 42.26278°N, -90.0425°W