 The Minnesota River flows east-southeasterly along the county's northeast side on its way to discharge into the Mississippi River.The Yellow Medicine River flows northeastward through the eastern part of the county, discharging into the Minnesota near the midpoint of the county's eastern border.The Stony Run Creek flows eastward through the upper east part of the county; the Florida Creek flows northeastward through the west end of the county, and the Lac qui Parle River also flows northeastward through the west central part of the county.