Routes coverying country: Germany

Europe by Rail: The Definitive Guide
Lille and Cologne are two cities with very strong regional identities within their respective countries, but they could scarcely be more different. Lille is altogether more downbeat - and is radical while Cologne is conformist.
This is one of Europe’s classic rail journeys, as the route south from Cologne hugs the River Rhine and then, once past Koblenz, follows the dramatic Rhine Gorge upstream.