XVW4+R4, Freiburg im Breisgau, Germany | Meeting Point ist In the center of Freiburg on the "Karlsplatz" at the footbridge “Karlssteg”, which leads from Karlsplatz to the Stadtgarten. The meeting point is at the bridge entrance on Karlsplatz, right next to the motorbike parking space. Our guides can be recognized by their labeled outerwear.