Ritterstein Nr. 300 Refuge on Karlsplatz The stone serves as a reference point for hikers and was set by the Ortsgruppe Gleiszellen-Gleishorbach of the Palatine Forest Association. It is unknown to which "Charles" the honor of the name was given. At the Wegspinne nine ways meet. Karlsplatz is also home to Karlsplatzhütte. It is cultivated on certain days, such as the annual May Day May 1, and by appointment.