From Frankfurt: from the A5 head towards Pfungstadt, then exit at junction 7 on the A67 (Pfungstadt). Follow the B426 and take the K153 to Insel-Kühkopf-Straße towards Stockstadt am Rhein.
From Munich: leave the A8 to join the A5, and then take the A6 to L3112 Gernsheim. Then follow the A67 and exit at junction 8 towards Gernsheim. Now follow the L3112 and take the B44 to Insel-Kühkopf-Straße in Stockstadt am Rhein.
There is a parking area right in front of the Recorder Festival premises which you can use free of charge.