On the mountain is the "Sanctuary of San Calogero," from the 16th century, the Antiquarium and various natural caves which emit geothermal gas, the most well-known of which is the so-called "Stove of San Calogero." .
The vast area behind the settlement of Sciacca, which culminates in Monte Kronio, may be the site of an ancient volcano, which even today shows some activity, however slight, through the emission of sulphur vapours.