Rivers that Form State Borders

Name the river that (at least partially) forms the border between the given states.
In some cases, the same river is the answer to more than one question.
Note: I freely admit that I didn’t know a lot of of these. But Jetpunk’s fearless geography nerds will get ‘em.
Quiz by FentonsDad
Last updated: July 11, 2013
You have not attempted this quiz yet.
First submittedNovember 17, 2012
Times taken745
Average score50.0%
Report this quizReport
Enter river here
 / 18 guessed
The quiz is paused. You have remaining.
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
Mississippi and Louisiana
Mississippi River
Indiana and Kentucky
Ohio River
Washington and Oregon
Columbia River
Maryland and Virginia
Potomac River
Arizona and California
Colorado River
Minnesota and Wisconsin (north)
St. Croix River
Minnesota and Wisconsin (south)
Mississippi River
Kentucky and West Virginia
Tug Fork River
New Hampshire and Vermont
Connecticut River
South Carolina and Georgia
Savannah River
Alabama and Georgia
Chattahoochee River
Texas and Louisiana
Sabine River
Oklahoma and Texas
Red River
Oregon and Idaho
Snake River
Georgia and Florida
St. Marys River
Minnesota and North Dakota
Red River of the North
Nebraska and Iowa
Missouri River
Illinois and Iowa
Mississippi River
Level 70
Mar 30, 2013
Thanks for calling me fearless.
Level 74
Jun 17, 2013
Good quiz. For Kentucky and West Virginia, it's not the Ohio River but the Big Sandy River, and you could also probably accept Tug Fork because that fork of the Big Sandy forms part of the border too.
Level 86
Jul 11, 2013
You are so right, and I'm blushing. Researched, fixed, resubmitted.
Level 66
Nov 5, 2013
There are two rivers that separate Florida and Georgia. In addition to the St. Mary's River, the Chattahoochee forms the border for about 35 km just NW of Tallahassee. Once it crosses completely into Florida, it changes its name to the Apalachicola River, but I suppose that name could be used, too.