Germans loves cycling so it's hardly surprising the country offers a wealth of wonderful itineraries with well maintained clearly marked cycle paths. Follow the course of one of the country's great rivers or cycle around beautiful Lake Constance
The Moselle Valley is a very popular cycling destination offering easy, riverside cycle paths and pretty wine villages surrounded by seas of vineyards. Or how about cycling around Lake Constance, staying in charming medieval towns along the way. Alternatively, you could follow the course of the Danube River from it's source in the Black Forest to the Austrian border.