Garnet rock in the town of Tábor

On the right bank of the Lužnice river, opposite the Čelkovické bridge, there is a geologically interesting natural formation "Granátová skála". The educational sign was removed due to repeated vandalism. Therefore, most people pass by without noticing anything.
 
If you go from the bridge up the stairs to the central part of the city in the park under Kotnov, then right at the first rest stop and during the next walk there is...