Translation of circumcircle 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.
There we only few tourist visiting this site and the entire setting of the jungle around all structures gave it a very adventurous feeling. Roots of trees were actually covering the walls of the buildings
The border control was in the middle of the Andes mountains, at an elevation of around 2000 meters above sea level. The forest around us was covered with snow and the scenery was breathtaking.