Please note the directions, as navigation via Google Maps is not always correct.
be sure to take the A5 > exit 47 Ettlingen
then direction > > Wattkopftunnel > turn right to Pforzheimer Straße > Albgaubad (Luiesenstraße) > Schöllbronnerstraße > Kirchstraße > Talstraße > Brunnenstraße 29 to the end and then straight ahead to the hall on the left
Google Maps: https://maps.app.goo.gl/wQTiTg8mqa311ez37