Mammern, the pearl of the Untersee extension of the Lake of Constance in the Canton Thurgovia of Switzerland, is ten minutes by car from the 'jewel' Stein am Rhein and 25 minutes by car from the Kreuzlingen-Konstanz outlet from the Lake of Constance to the west.
The Gasthof Adler is a traditional historical timbered building with a modern annexe and is located on the main cantonal road from Kreuzlingen to Stein am Rhein.
It is five easy minutes walk from the railway station.