Big Muddy Creek (Missouri River tributary) Big Muddy Creek (Missouri River tributary) Big Muddy Creek is a tributary of the Missouri River, approximately 191 mi (307 km) long, in the Canadian province of Saskatchewan and the U.S. state of Montana. It flows through the Big Muddy Badlands. It rises in southern Saskatchewan at Willow Bunch Lake, on the plains north of the international border and approximately 20 mi (32 km) northwest of Big Beaver. It flows southeast through the Big Muddy Badlands and through Big Muddy Lake, then south into Sheridan County, Montana, past Redstone, then east, past Plentywood, then south, forming the eastern border of
Embarras River (Illinois) southeastern Champaign; the southern portion of the University of Illinois campus, including the small creek near the Vet Med Building; and Meadowbrook Park in south Urbana. The Embarras flows generally southward through Douglas, Coles, Cumberland, and Jasper Counties. In Jasper County, it turns southeast for the remainder of its course through Richland, Crawford, and Lawrence Counties. Portions of the river's lower course have been straightened and channelized. It joins the Wabash River southwest of Vincennes, Indiana. Along its course, the Embarras passes the towns of Villa Grove, Camargo, Charleston, Greenup, Newton, Ste. Marie, and Lawrenceville. The United States Board on