The Mississippi River
the Mississippi river
The Mississippi River borders Illinois on the west.
The Mississippi River borders Iowa on the eastern side, separating it from Illinois and Wisconsin. The Missouri River borders Iowa on the western side, separating it from Nebraska and South Dakota.
Illinois borders the Mississippi River to the west.
The Mississippi River forms the western border of Illinois.
The Mississippi River.
The Mississippi River forms the western border of Illinois.
Starting in western Pennsylvania, the Ohio River borders Ohio, West Virginia, Kentucky, Indiana, and Illinois. The Ohio River does not border 44 States.
Illinois has some body of water on most borders. Three bodies of water that form borders of Illinois are the Mississippi River, Lake Michigan, and The Ohio River.
The Mississippi River forms the western border of Illinois. It spans approximately 580 miles and flows through or along the borders of 10 different states in the United States.
Wabash River.
Illinois is bordered by the Mississippi River on the west.