When you're in Cologne and have a day or two to spare, why not visit other parts of Western Germany like Düsseldorf, Bonn, and Aachen?
For one, this region is known for its picturesque landscapes, medieval castles and several UNESCO World Heritage Sites.
But that's not all, Cologne is a great home base for exploring, as many of the most popular train routes stop at Cologne - making it easy to explore nearby cities!
(By the way, most of these day trips from Cologne can be accessed by train, although a few may require a car.)
The bottom line, in this article you'll discover the best day trip from Cologne for you, that'll leave you wanting to explore more of this wonderful region!