European river upon which Basel, Strasbourg and Cologne stand

Let's find possible answers to "European river upon which Basel, Strasbourg and Cologne stand" crossword clue. First of all, we will look for a few extra hints for this entry: European river upon which Basel, Strasbourg and Cologne stand. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.