Rock River

Rock River may refer to:

Streams

Communities

Other uses

Rock River (Lake Superior)

The Rock River is a 17.5-mile-long (28.2 km) river in Alger County on the Upper Peninsula of Michigan in the United States. It flows through the Rock River Canyon Wilderness of Hiawatha National Forest, then turns north and flows to Lake Superior at the village of Rock River.

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Rock River (Mississippi River)

The Rock River is a tributary of the Mississippi River, approximately 299 miles (481 km) long, in the U.S. states of Wisconsin and Illinois. The river was known as the Sinnissippi to Sauk and Fox Indians pushed west by white settlement; the name means "rocky waters". It begins just to the west of the village of Brandon in Fond du Lac County, Wisconsin and flows east and then south to Horicon Marsh, east of Waupun. It meanders southward to the Illinois border ending about 300 miles later at the Mississippi River at the Quad Cities in Illinois and Iowa. During its course it passes through Watertown, collects the Crawfish River in 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.

It flows south through Rockford, then southwest across northwestern Illinois, picking up the Kishwaukee River, passing Oregon, Dixon, Sterling and Rock Falls before joining the Mississippi at Rock Island. It was on the Rock River in Dixon where Ronald Reagan served as a lifeguard. Reagan's favorite fishing spot, now called "Dutch Landing" after Reagan's nickname, was located just southwest of Lowell Park on the Rock River.