Especially relaxing and eco-friendly you are traveling to Bad Wildbad by train. Over Karlsruhe or Stuttgart to Pforzheim and further on with the cityline S6, “Enztalbahn”, to Bad Wildbad. Several times daily there are direct lines from/to Karlsruhe and Bietigheim.
Further information about the cityline and train connections:
www.kvv.de
By car:
From the north:
Take the A8 Karlsruhe-Stuttgart, exit Pforzheim-West, keep on the B294.
From East and South:
A81 Stuttgart-Singen, exit Böblingen-Hulb, then drive direction Calw; from Calw follow the signs to Bad Wildbad (B296)
From West and South:
A5 Basel-Karlsruhe, exit Rastatt, then towards Bad Herrenalb and Gernsbach-Kaltenbronn.