The Plum River is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drai ...

of the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...

, about long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
accessed May 13, 2011 in northwestern

Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rockf ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

. It rises in

Jo Daviess County Jo Daviess County () is the northwesternmost county in the U.S. state of Illinois. According to the 2010 census, it had a population of 22,678. Its county seat is Galena. Jo Daviess County is part of the Tri-State Area and is located near D ...

and flows generally south-southwestwardly into Carroll County, where it joins the Mississippi at

Savanna A savanna or savannah is a mixed woodland- grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to ...

. 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 joins the Plum River at *The Middle Fork Plum River joins the Plum River at *The North Fork Plum River has its confluence with the Plum River at

References

Columbia Gazetteer of North America entry
* DeLorme (2003). ''Illinois Atlas & Gazetteer''. Yarmouth, Maine: DeLorme. . Rivers of Illinois Tributaries of the Mississippi River Rivers of Carroll County, Illinois Rivers of Jo Daviess County, Illinois Rivers of Stephenson County, Illinois {{Illinois-river-stub

See also

References