We do not recommend that you follow your sat nav; instead please follow the directions below.
From the A3
Take the “Ransbach-Baumbach/Siershahn” exit and follow the signs for Mogendorf/Siershahn. Upon reaching the edge of Mogendorf, take the second exit from the roundabout and follow the ring road. Take the first exit from the subsequent roundabout, following the L313/Bahnhofstraße in the direction of Siershahn. At the next roundabout, take the third exit onto the L313/Bunzlauerstraße. Take the second exit at the next roundabout and, after around 570 metres, turn right onto the L303 in the direction of Ebernhahn (after the underpass). After approx. 90 metres, turn right onto Berggarten.
You should now be able to see the systemceram sign.