The frozen Rock River near Oregon, Illinois.

The Rock River is a tributary of the Mississippi River, approximately 285 miles (459 km) long, in the U.S. states of Wisconsin and Illinois. Image File history File linksMetadata Size of this preview: 450 × 600 pixelsFull resolution (1536 × 2048 pixel, file size: 306 KB, MIME type: image/jpeg) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Rock River (Illinois) Metadata This file... Image File history File linksMetadata Size of this preview: 450 × 600 pixelsFull resolution (1536 × 2048 pixel, file size: 306 KB, MIME type: image/jpeg) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Rock River (Illinois) Metadata This file... The Mississippi River, derived from the old Ojibwe word misi-ziibi meaning great river (gichi-ziibi big river at its headwaters), is the second-longest named river in North America, with a length of 2320 miles (3733 km) from Lake Itasca to the Gulf of Mexico. ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ... km redirects here. ... Federal courts Supreme Court Chief Justice Associate Justices Elections Presidential elections Midterm elections Political Parties Democratic Republican Third parties State & Local government Governors Legislatures (List) State Courts Counties/Parishes/Boroughs, Cities, and Towns Other countries Politics Portal      A U.S. state is any one of the fifty subnational entities of... Official language(s) None Capital Madison Largest city Milwaukee Area  Ranked 23rd  - Total 65,498 sq mi (169,790 km²)  - Width 260 miles (420 km)  - Length 310 miles (500 km)  - % water 17  - Latitude 42°30N to 47°3N  - Longitude 86°49W to 92°54W Population  Ranked... Official language(s) English[1] Capital Springfield Largest city Chicago Largest metro area Chicago Area  Ranked 25th  - Total 57,918 sq mi (149,998 km²)  - Width 210 miles (340 km)  - Length 390 miles (629 km)  - % water 4. ...

It rises in southeast Wisconsin, in southwest Fond du Lac County, approximately 10 miles (16 km) south of Ripon and 25 miles (40 km) southwest of Lake Winnebago. It flows south, through the Horicon National Wildlife Refuge, then meanders southward draining the area of southeast Wisconsin between the Wisconsin River and Lake Michigan. It passes Watertown, Jefferson, and receives the Bark River at Fort Atkinson. In northern Rock County it receives the Yahara River, and flows southward through Janesville and Beloit into northern Illinois, where it receives the Pecatonica River 5 miles (8 km) south of the state line. Fond du Lac County is a county located in the state of Wisconsin. ... Ripon is a city located in Fond du Lac County, Wisconsin. ... Lake Winnebago from space, July 1996. ... Location of Horicon Marsh Horicon Marsh is a marsh in Dodge County, Wisconsin. ... The Wisconsin River is a tributary of the Mississippi River, approximately 430 mi (692 km) long, in the state of Wisconsin in the United States. ... Lake Michigan is one of the five Great Lakes of North America, and the only one in the group located entirely within the United States. ... Watertown is a city in Jefferson and Dodge Counties in Wisconsin. ... There are a few other places named Jefferson in Wisconsin. ... The Bark River is a tributary of the Rock River, about 55 mi (90 km) long, in southeastern Wisconsin in the United States. ... Fort Atkinson is a city in Jefferson County, Wisconsin, United States. ... Rock County is a county located in the state of Wisconsin. ... The Yahara River is a tributary of the Rock River, about 45 mi (70 km) long, in southern Wisconsin in the United States. ... Downtown Janesville looking south on Main Street (2004) Janesville is a city in Wisconsin. ... Beloit is a city located in Rock County, Wisconsin. ... The Pecatonica River is a tributary of the Rock River, approxiamtely 120 mi (193 km) long, in southern Wisconsin and northern Illinois in the United States. ...

It flows south through Rockford, then southwest across northwestern Illinois. passing Oregon, Dixon and Rock Falls, where it becomes navigable. It joins the Mississippi at Rock Island. This article does not cite any references or sources. ... Oregon is a city located in Ogle County, Illinois. ... Dixon is a city located in Lee County, Illinois, USA. It is the county seat of Lee CountyGR6. ... Rock Falls is a city in Whiteside County, Illinois, United States. ... Rock Island is a city located in Rock Island County, Illinois. ...

Cities and villages along the river

• Coal Valley, Illinois
• Beloit, Wisconsin
• Byron, Illinois
• Dixon, Illinois
• Fort Atkinson, Wisconsin
• Horicon, Wisconsin
• Hustisford, Wisconsin
• Janesville, Wisconsin
  

  Rock River flooding downtown Fort Atkinson, June 2004.
• Jefferson, Wisconsin
• Loves Park, Illinois
• Lyndon, Illinois
• Machesney Park, Illinois
• Mayville, Wisconsin
• Milan, Illinois
• Moline, Illinois
• Oregon, Illinois
• Prophetstown, Illinois
• Rock Falls, Illinois
• Rock Island, Illinois
• Rockford, Illinois
• Rockton, Illinois
• Roscoe, Illinois
• South Beloit, Illinois
• Sterling, Illinois
• Theresa, Wisconsin
• Watertown, Wisconsin

Coal Valley is a village in both Rock Island County and Henry County in the U.S. state of Illinois. ... Beloit is a city located in Rock County, Wisconsin. ... Byron is a city in Ogle County, Illinois, United States. ... Dixon is a city located in Lee County, Illinois, USA. It is the county seat of Lee CountyGR6. ... Fort Atkinson is a city in Jefferson County, Wisconsin, United States. ... Horicon is a city located in Dodge County, Wisconsin. ... Hustisford is a village located in Dodge County, Wisconsin. ... Downtown Janesville looking south on Main Street (2004) Janesville is a city in Wisconsin. ... Image File history File linksMetadata Download high resolution version (2288x1712, 778 KB) Summary Rock river floodwaters in downtown Fort Atkinson, Wisconsin. ... Image File history File linksMetadata Download high resolution version (2288x1712, 778 KB) Summary Rock river floodwaters in downtown Fort Atkinson, Wisconsin. ... There are a few other places named Jefferson in Wisconsin. ... Loves Park is a city in Winnebago County, Illinois, United States. ... Lyndon is a village located in Whiteside County, Illinois. ... Machesney Park is a suburb of Rockford Illinois located in Winnebago County, Illinois, United States. ... Mayville is a city in Dodge County, Wisconsin, United States. ... Milan is a village located in Rock Island County, Illinois. ... Moline is a city in Rock Island County, Illinois, United States. ... Oregon is a city located in Ogle County, Illinois. ... Prophetstown is a city in Whiteside County, Illinois, United States. ... Rock Falls is a city in Whiteside County, Illinois, United States. ... Rock Island is a city located in Rock Island County, Illinois. ... This article does not cite any references or sources. ... Rockton is a village located in Winnebago County, Illinois. ... Roscoe is a village in Winnebago County, Illinois, a suburb of Rockford. ... South Beloit is a city located in Winnebago County, Illinois. ... Sterling is a city located in Whiteside County, Illinois. ... Theresa is a village located in Dodge County, Wisconsin. ... Watertown is a city in Jefferson and Dodge Counties in Wisconsin. ...

See also

• List of Illinois rivers
• List of Wisconsin rivers