The Little Rock River is a tributary of the Rock River, long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed March 30, 2011 in southwestern Minnesota and northwestern Iowa in the United States. Via the Rock, Big Sioux and Missouri rivers, it is part of the watershed of the Mississippi River.
It has also been known as "Little Rock Creek".
Course The Little Rock River rises in Nobles County, Minnesota, west of the town of Worthington, and flows generally southwestward through Osceola and Lyon counties in Iowa, where it passes the towns of Little Rock and George. It flows into the Rock River about southwest of Doon.Doon, Iowa, 7.5 Minute Topographic Quadrangle, USGS, 1971
See also List of Iowa rivers List of Minnesota rivers
References
Columbia Gazetteer of North America entry DeLorme (1998). Iowa Atlas & Gazetteer. Yarmouth, Maine: DeLorme. . DeLorme (1994). Minnesota Atlas & Gazetteer. Yarmouth, Maine: DeLorme. .