The Rush River, in the U.S. state of Minnesota, is entirely in Sibley County, although its watershed also includes parts of Nicollet and McLeod counties. It is a tributary of the Minnesota River. Rush River begins at the junction of its Middle and North Branches, at approximately 94.1W longitude, and 44.5N latitude. It then flows generally to the east, with the South Branch joining it at approximately 94.0W and 44.5N. It continues east until it joins the Minnesota River 2.9 miles NNE of Le Sueur, Minnesota, which then proceeds generally north and east until it joins the Mississippi River. North Branch Rush River
North Branch Rush River drains from Titlow Lake and flows SE, joining the Middle Branch Rush River, to form the Rush River, 7.8 mi SE of Gaylord, Minnesota. Middle Branch Rush River
Middle Branch Rush River starts near Gibbon, Minnesota and flows east until it joins the North Branch and forms the Rush River. South Branch Rush River
South Branch Rush River starts between Winthrop and Lafayette, a little more than 10 miles WSW of Gaylord near the Sibley-Nicollet county line, and flows ENE until it joins the Rush River.
