municipality of Schwielochsee was formed by merging six municipalities. These were Goyatz-Guhlen, Jessern, Lamsfeld-Groß Liebitz, Mochow, Ressen-Zaue and Speichrow...
The latter is located further south, near the villages of Jessern and Goyatz. It has a depth of eight to nine metres and is connected to the Great Schwielochsee...