Marais des Cygnes River

 

Marais des Cygnes River

Marais des Cygnes River

The Marais des Cygnes River, a principal tributary of the Osage River located in eastern Kansas and western Missouri is approximately 217 miles long.

The river is formed about three miles north of Reading in western Lyon County, Kansas by the confluence of Elm Creek and One Hundred Forty-Two Mile Creek. It flows generally east-southeastwardly through Osage, Franklin, Miami and Linn Counties in Kansas, and Bates County in Missouri. It joins the Little Osage River at the boundary of Bates and Vernon Counties in Missouri form the Osage River, six miles west of Schell City. The name Marais des Cygnes means “Marsh of the Swans” in French, in reference to the Trumpeter Swan, which was historically common in the Midwest.

Marais des Cygnes Massacre, Kansas

Marais des Cygnes Massacre, Kansas

It was on the Marais de Cygnes River in Linn County that the Marais des Cygnes Massacre took place in May 1858, an altercation between pro-slavery and Free-State forces during the Bleeding Kansas days leading up to the Civil War.

The river has long been notorious for flash flooding, the first of which was known as “Big Water” in Native American legend, occurring in 1844. Though no measurements were taken, it is estimated to have crested at 40 feet. Later floods included a 1909 flood which crested at over 36 feet, a 1915 flood which crested at 31 feet, another in 1928 where the water rose more than 38 feet, and the last major flood in 1951, where the water crested at over 42 feet. In this last major flood, 41 people were killed and damages were estimated in the millions. As a result, the U.S. Army Corp of Engineers built levees and flood control systems on the Marais des Cygnes River in the 1960s.

Osage River map courtesy Wikipedia.

River map courtesy Wikipedia.

In Osage County, Kansas, a US Army Corps of Engineers dam causes the river to form Melvern Lake, which is the site of Eisenhower State Park. The river runs directly through the 7,500-acre Marais des Cygnes National Wildlife Refuge near Pleasanton, Kansas.

Compiled by Kathy Weiser-Alexander, updated August 2020.

Also See:

Kansas Destinations

Kansas Lakes & Rivers

Kansas Photo Galleries

Scenic Byways

 

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