You can get to the Black Forest Observatory from the West via Offenburg and Hausach (for people coming from Strasbourg, Karlsruhe, Frankfurt), from the North-East via Freudenstadt and Alpirsbach (for people coming from Stuttgart, München), or from the South-East via Schramberg. (for people coming from Rottweil, Zürich). The geographic coordinates of the laboratory building are (Google Earth): 48° 19' 44.24" North 8° 19' 23.13" East If you enter "Heubach 207, Schenkenzell" in maps.google.com you will also get correct directions.
View Larger Map If you come by train you must travel through either Freudenstadt (from Stuttgart / Zürich) or Offenburg and Hausach. The name of the closest train station is Schiltach (not Schiltach Mitte).
Sketch of the roads around BFO.