Grotta della Bigonda

Grotta della Bigonda (The Bigonda cave (or Vigondola) is a natural cave located in Valsugana, near Selva in Grigno, in the province of Trento, on the right bank of the Brenta river. The cave can be visited, but only accompanied by a guide (this can be addressed to the Grotte di Selva Group), only during the winter season (since it is less rainy) and only for its first kilometer (more than necessary special equipment is required).

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).