Ohio
The Ohio River.
The Ohio River forms the southern boundaries of Ohio and Indiana. It begins at the Ohio-Pennsylvania border. It flows southwesterly between Ohio and Kentucky, Indiana and Kentucky, and continues to the Mississippi River.
That would be the Ohio River.
The Ohio River
The Ohio River divides Indiana and Kentucky.
The southern border of Indiana is the OHIO River (which separates it from Kentucky.)
The Wabash is the longest river in Indiana. It flows from Ohio across northern Indiana until it forms the border between Indiana and Illinois.
The Ohio River It is the entire border between Indiana and Kentucky, except for a narrow band of land that is part of Kentucky and north of the Ohio River near Evansville, IN.
The Tennessee River.
The Tennessee River flows into the Ohio River at Paducah, Kentucky.
the Ohio river separates Indiana and Kentucky