| Answer | Crossword Clue |
|---|---|
| NIGER | River on the Benin border |
| DRINA | River on the Serbian border |
| YALU | River on the Korean border |
| NIAGARA | River on the Canadian border |
| SABINE | River on the Texas-Louisiana border |
| ODER | River on the Brandenburg border |
| YALU | River on the North Korea-China border |
| YALU | River on the Chinese-Korean border |
| YALU | River on the China-North Korea border |
| SAULTSTEMARIE | Michigan or Ontario city on the same border river |
| SAAR | River rising in the Vosges Mountains on the border of Alsace-Lorraine |
