It is a large cave or chamber in the loess in a loess hollow way. These hollow ways in the thick loess layers in the Kaiserstuhl were created by constant …
There is a cave entrance near the ruins of Alt-Limburg. Perhaps explosives were stored here for the nearby quarry. In any case, it is inhabited by bats during the winter months and must not be entered!
During the Second World War, the aisles in the loess wall were used as hiding places for women and children. Later they were used as a loess cellar and potatoes were stored there.