Eurovelo routes 2 and 7 run through Berlin and provide quiet routes out of the city, then you are able to make use of the numerous cycle paths that cover Brandenburg and the rest of Berlin. There are loads of nice woodland area and lakes outside of Berlin to explore, so it's feasible to simply have a rough idea of a destination and make it us as you go along... ab.so.lutely no hills though...
Eurovelo routes 2 and 7 run through Berlin and provide quiet routes out of the city, then you are able to make use of the numerous cycle paths that cover Brandenburg and the rest of Berlin. There are loads of nice woodland area and lakes outside of Berlin to explore, so it's feasible to simply have a rough idea of a destination and make it us as you go along... ab.so.lutely no hills though...