Planning a vacation to Herdecke in Germany? This vacation planner will provide you with all the essential information you need. After your splendid visit to Herdecke, you can proceed to an important near-by city of Aachen. Add Aachen to your vacation plan, it has an interesting bunch of activities to do on your visit like Aachen Cathedral, Carolus Thermen Bad Aachen, Rathaus Aachen. Also, to reach Herdecke, you'll have to take a flight to Aachen; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. A holiday in Herdecke can generally be of 1-2 days.