SO THEY COME TO US  You find the guesthouse beautiful village green directly opposite the entry to the barber lake.  HERE SOME CLUES  
After the place name sign "Untergrainau" on the left direction Eibsee/Zugspitze.
 You turn on the right into the Sch?angerstr . to ca.3 km. 
Car parks and garages at the house.  Station: Untergrainau, approx. . 2 km, Garmisch share churches ca.7 km  
Airport: Innsbruck approx. . 60 km, Munich approx. . 150 km.  Map of the area