Moreau River

Position of the Moreau River ( turquoise colored)

Moreau River near Whitehorse

The Moreau River is a right tributary of the Missouri River and is about 320 km long. It flows in the U.S. state of South Dakota.

The Santee Dakota Cheyenne River Sioux Tribe of naming the river Hinhan Wakpa - ' Owl River '. The river rises in two creeks in the badlands of Harding County. The source of the south extending arm is located about 32 km west of the source of the northern arm, which rises near Crow Buttes. The two arms extend in OSO direction and run together in the south of Perkins County. The Moreau River runs through the Cheyenne River Indian Reservation, past the places Usta, Iron Lightning, Thunder Butte, Green Grass and White Horse. It ends in Lake Oahe in Missouri.

• River Missouri River system
• River in North America
• River in South Dakota