Koblenz, Germany
Rhine Castle trail - Rheinburgenweg (previously: Rheinburgen-Wanderweg), follows the left side of the Rhine from Bingen to Remagen-Rolandseck and the right side takes the route of the Rheinsteig from Rüdesheim am Rhein to Koblenz.
Listen to the audio guide for Rheinburgenweg Free on WIP — starts by itself when you arrive, even with the screen off