If you are arriving via the A5 or the A81 through the Black Forest, follow the B31 and take the exit towards Merzhausen. Follow Heinrich-von-Stephan-Straße (L122) and cross Basler Strasse. After approximately 1000 mtrs take the first right after the petrol station into Oltmannstrasse and park on the left-hand side of the road at the ENNOS car park.
You can reach ENNOS directly from the central train station. Board tram number 3 (going towards Innsbrucker Strasse) and get off at the stop Peter-Thumb-Strasse.