Elzach is a town in the district of Emmendingen, in Baden-Württemberg, Germany. It is situated on the river Elz, 26 km northeast of Freiburg. Wikipedia
This warm abode of Elzach is a delightful place to visit in Germany. This city is located in the close proximity of a major city Ulm, Germany. Add Ulm to your vacation plan, it has an interesting bunch of activities to do on your visit like Ulm Cathedral, Fishermans Quarter, Rathaus. Also, to reach Elzach, you'll have to take a flight to Ulm; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. 1-2 days is an ideal duration of visit to Elzach.
Yes,it is that simple really! Enjoy your trip! Keep travelling!