| Answer | Crossword Clue |
|---|---|
| OISE | River rising in the Ardennes Mountains |
| OISE | River rising in the Ardennes. |
| OISE | River rising in the Ardennes |
| OISE | River that originates in the Ardennes Mountains |
| MOSEL | River rising in the Vosges Mountains |
| EBRO | River rising in the Cantabrian Mountains |
| MISSOURI | River rising in the Rocky Mountains |
| SAAR | River rising in the Vosges Mountains on the border of Alsace-Lorraine |
