Discuss local mountain bike clubs and organizations in Germany. Organize trail work days, group rides, and more! Send a PM to trek7k if you would like to be considered for the Germany forum moderator position (don’t forget to include the name of the state you would like to moderate).
Look at Local bike shops. A lot of People at these shops speak pretty good english. But stay away from the large shops. If you go to one of these smaller ones they usaully organize group rides after they get done working.