The Leaf River is a tributary of the Rock River, about long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed May 13, 2011 in northwestern Illinois in the United States. Via the Rock, it is part of the Mississippi River watershed.
Course After rising east of the town of Shannon in northeastern Carroll County, the Leaf flows eastward across northwestern Ogle County, past the towns of Adeline and Leaf River. It joins the Rock River from the west between the towns of Byron and Oregon.
See also List of Illinois rivers Other streams and places named Leaf River
References