A fortification formerly stood on Jetrbenk Hill in the southwest part of the settlement . It was owned by the Hertenberg robber knights , who were non-free nobles subservient to the Spanheims , and later to the Patriarchate of Aquileia . The fortification was probably destroyed by the 1511 Idrija earthquake and little trace of it remains today . Gradišče Hill , which stands below Jetrbenk Hill , was the site of a fortification in antiquity
1511 Idrija earthquake
1511 Idrija earthquake
Žlebe