West Fork of the Little Sioux River is a river in the United States. Approximately 70 miles/112 kilometers long, it courses through northwest Iowa, rising north of Marcus in Cherokee County and flowing generally southwest through farmland in Plymouth and Woodbury Counties until it finally meets the Little Sioux River in Monona County. The lower portion of the river has been extensively channelized.

See also

• List of Iowa rivers

Rivers of Iowa | Cherokee County, Iowa | Plymouth County, Iowa | Woodbury County, Iowa | Monona County, Iowa