Grotto Calgeron (cave of Calgeron), also known as the GB Trener cave, is a natural cavity that is located near the village of Grigno in Valsugana in Trentino...

Castelcivita Cave, Toirano Caves, Pastena Caves, Borgio Verezzi Caves, Grotto Calgeron, Grotta del Cavallone, Ear of Dionysius, Grotta del Gelo, Grotta di...

Neptune's Grotto, Pastena Caves, Pertosa Caves, Grotta dello Smeraldo and Toirano Caves. Other notable Italian caves are Grotto Calgeron, Ear of Dionysius...

Studies Center (Consiglio Nazionale delle Ricerche). In his memory, the Grotto Calgeron was named "GB Trainer Cave". With Cesare Battisti, Lake Terlago and...

Grappa and Enego. it is home to the Grotta della Bigonda and Grotta Calgeron grotto complexes, as well as two prehistorical archaeological sites (Riparo...