Translation of clapper in German

The place was really modern and the food was excellent. We later found out that the restaurant belonged to a chain with the same name and was present all over the country and pretty popular.
We really felt like being in a stupid tourist attraction. The environment was very beautiful but the mass of people would ruin our special moments. Anyway we had one more surprise on the way back.
Fortunately and against all odds there were seats available so that we changed our booking to the same day. Our destination was El Calafate in the South of Patagonia in order to see the glaciers.