There are many more including: * Ottawa River * Maumee River * Toussaint River * Portage River * Sandusky River * Huron River * Vermilion River * Cuyahoga River * Chagrin River * Grand River and * Ashtabula River all of which flow into Lake Erie.
It is the highest point in Ohio rivers north of it flow into Lake Erie Rivers South of it flow into the Ohio River.
ohio
The confluence of the Alleghaney and Monogahela Rivers form the Ohio River at Point State Park in Pittsburgh. Thus the three rivers that "come together" at that point are the Ohio, Allegahaney and Monogahela.
The two rivers that form the Ohio River are the Alleghenyand Monongahela rivers.
Ohio and Mississippi Rivers
The Allegheny and Monogahela rivers joinb at Pittsburgh to form the Ohio River.
Missouri, Illinois and Ohio Rivers
The state of Ohio has a little over 44,000 miles of rivers and streams. Ohio covers a total of 41,328 square miles.
Lake Erie and the Ohio River.
Pittsburgh, Pennsylvania is located where the Ohio Alleghany and Monongahela Rivers meet.
Delaware, Susquehanna, and Ohio river system.
The Ohio and the Mississippi.