Next to the Wildschützenturm is an information board with the following information:
Hungerturm (hunger tower)
The fortification tower of the Charterhouse (also called the Wildschützenturm [poachers tower] or Pulverturm [gunpowder tower]) from the early 17th century was traditionally used for the storage of gunpowder and for the detention of prisoners; The Charterhouse, as a landlord, possessed the lower criminal jurisdiction.
The name Hungerturm goes back to the old-age home time after the charterhouse was closed:
The prebends call him the Hunger Tower, claiming that sinful monks have been locked in there and brought to naught, and of course there are some who want to know that the old tower is haunted. (Felix Salten, Das österreichische Antlitz [The Austrian Countenance], Berlin 1909)