By car:

From Stuttgart: Onto B14 to Nürnberg/Aalen, then onto B29 to Aalen / Schorndorf. After the divider, take the exit to Remshalden/Grunbach. Afterwards please consider the map above. 

From Schorndorf: Onto B29 to Stuttgart. Take exit Geradstetten/Grunbach-Nord, afterwards please consider the map above. 

By public transportation:

From Stuttgart main station or Stuttgart airport take the S-Bahn S2 Schorndorf. Usually, it runs every 15 to 30 minutes. Get off at Grunbach station. After getting off, turn to the left and go down the stairs. At the bottom of the stairs, turn right. At the end of the underpass, turn left and cross the street. Lilienweiß is the first building on the left.