page_title: Grotto Calgeron
hierarchical_section_title: Grotto Calgeron
caption_attribution_description: L'ingresso della grotta Calgeron con l'ausilio di un canotto
context_page_description: Grotto Calgeron, also known as the GB Trener cave, is a natural cavity that is located near the village of Grigno in Valsugana in Trentino.
context_section_description: 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.
caption: The entrance to the cave with the aid of an inflatable boat
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