The Walnut River is a tributary of the Arkansas River in the Flint Hills region of Kansas in the United States. Via the Arkansas, it is part of the Mississippi River watershed. A tributary (or affluent or confluent) is a contributory stream, a river that does not reach the sea, but joins another major river (a parent river), to which it contributes its waters, swelling its discharge. ... Lower Arkansas River The Arkansas River is a tributary of the Mississippi which flows east and southeast through Colorado, Kansas, Oklahoma and the state of Arkansas. ... The Flint Hills are a group of hills in eastern Kansas, extending from Marshall County in the north, to Cowley County in the south. ... State nickname: The Sunflower State Other U.S. States Capital Topeka Largest city Wichita Governor Kathleen Sebelius (D) Senators Sam Brownback (R) Pat Roberts (R) Official language(s) None Area 82,277 mi²; 213,096 km² (15th)  - Land 81,815 mi²; 211,900 km²  - Water 462 mi²; 1,196 km²... This page is about the river in the United States; there is also a Canadian Mississippi River (Ontario). ... A watershed is a region of land where water flows into a specified body of water, such as a river, lake, sea, or ocean. ...

Course

The Walnut River rises in northern Butler County and flows generally southward through Butler and Cowley Counties, past the towns of El Dorado, Augusta and Winfield. It joins the Arkansas River at Arkansas City. The Walnut's principal tributaries are the Whitewater River, which joins it at Augusta, and the Little Walnut River, which joins it in southern Butler County. Butler County (standard abbreviation: BU) is a county located in the state of Kansas. ... Cowley County (standard abbreviation: CL) is a county located in the state of Kansas. ... El Dorado is a city located in Butler County, Kansas. ... Augusta is a city located in Butler County, Kansas. ... Winfield is a city located in Cowley County, Kansas. ... Arkansas City is a city located in Cowley County, Kansas, at the confluence of the Arkansas and Walnut Rivers. ...

Dams

Upstream of El Dorado, a U.S. Army Corps of Engineers dam causes the river to form El Dorado Lake, along which a Kansas state park has been designated. United States Army Corps of Engineers logo The United States Army Corps of Engineers, or USACE, is made up of some 34,600 civilian and 650 military men and women. ... Scrivener Dam, in Canberra, Australia, was engineered to withstand a once-in-5000-years flood event A dam is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment. ... State park is a term used in the United States and in Mexico for an area of land preserved on account of its natural beauty, historic interest, or other reason, and under the administration of the government of a U.S. state or one of the states of Mexico. ...

See also

• List of Kansas rivers

This is a list of rivers in the State of Kansas Arkansas River Beaver River Big Blue River Chikaskia River Cimarron River Cottonwood River Delaware River Elk River Fall River Grouse River Kansas River Little Arkansas River Marais des Cygnes River Missouri River Neosho River Ninnescah River Republican River Saline...

External links

• Corps of Engineers' El Dorado Lake website
• El Dorado State Park website