According to the information I found, there are three rivers in the United States that flow north, one is the St. John's River (FL), another is the Willamette River (OR), the third is the Fox River...
in north America the st johns river runs south to north.
Nile River and Red River San Pedro River, Southern ArizonaWaikato River, New Zealand
the Mississippi is the main river that runs between the north and the south.
The Tennessee