 A third outer gate, the Südtor (South Gate), which is preserved best, is the entrance from the "zwinger" (enclosed killing ground) to the Vorburg (lower ward).The small town had only 124 plots for houses.The parish Zons comprised also the village Stürzelberg, part of the village Horrem and the village of Haus Bürgel, which is nowadays located on the opposite banks of the river Rhine.